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AI model reference · 71 models · docs checked Oct 24, 2026

AI model reference: limits and features, sourced

The facts you check before you ship: context window, max output, inputs, tool calling, JSON schema output, caching, batch, cutoff, and the rate limit on your tier. Every value links to the provider page it came from. Blank means the docs don't say.

Short answerOf 29 current models, the largest context window is 1,050,000 tokens (GPT-5.5 Pro) and the longest single reply is 384,000 tokens (DeepSeek V4 Pro). 29 support tool calling and 27 document schema-checked structured output. Rate limits: by provider and tier, with a fit checker.

Check one model

Every model, side by side

Filter to what your app needs. Click a column to sort. Underlined values link to their source.

29 models shown

Max outputInputOutputToolsStructured outputReasoningCache readsBatchKnowledge cutoff
Claude Fable 5.1Anthropic1M125Ktext, imagetextYesYesYes2% of input50% off2026-06
Claude Opus 5.5Anthropic1M125Ktext, imagetextYesYesYes5% of input50% off2026-06
Claude Sonnet 5.5Anthropic1M125Ktext, imagetextYesYesYes5% of input50% off2026-06
Claude Haiku 5.5Anthropic1M125Ktext, imagetextYesYesYes10% of input50% off2026-06
DeepSeek V4 ProDeepSeek1M375KtexttextYesYesYes3% of inputn/an/a
DeepSeek FlashDeepSeek1M375Ktext, imagetextYesYesYes2% of inputn/an/a
Gemini 4 ArgonGoogle1.05M64Ktext, image, video, audio, pdftextYesYesYes5% of input50% offn/a
Gemini 3.1 Pro PreviewGoogle1.05M64Ktext, image, video, audio, pdftextYesYesYes10% of input50% offn/a
Gemini 3.8 FlashGoogle1.05M64Ktext, image, video, audio, pdftextYesYesYes10% of input50% offn/a
Gemini 3.6 FlashGoogle1.05M64Ktext, image, video, audio, pdftextYesYesYes10% of input50% offn/a
Gemini 3 Flash PreviewGoogle1.05M64Ktext, image, video, audio, pdftextYesYesYes10% of input50% offn/a
Gemini 3.5 Flash-LiteGoogle1.05M64Ktext, image, video, audio, pdftextYesYesYes10% of input50% offn/a
Gemini 3.1 Flash-LiteGoogle1.05M64Ktext, image, video, audio, pdftextYesYesYes10% of input50% offn/a
GPT-5.5 ProOpenAI1.05M125Ktext, imagetextYesYesYesn/a50% off2025-12
GPT-5.4 ProOpenAI1.05M125Ktext, imagetextYesn/aYesn/a50% off2025-08
GPT-5.2 ProOpenAI400K125Ktext, imagetextYesn/aYesn/a50% off2025-08
GPT-5.6 CyberOpenAI400K125Ktext, imagetextYesYesYes10% of inputn/a2026-02
GPT-6 AstraOpenAI1.05M125Ktext, imagetextYesYesYes10% of input50% off2026-04
GPT-5.5OpenAI1.05M125Ktext, imagetextYesYesYes10% of input50% off2025-12
chat-latestOpenAI400K125Ktext, imagetextYesYesn/a10% of inputn/a2026-04
GPT-5.6 SolOpenAI1.05M125Ktext, imagetextYesYesYes10% of input50% off2026-02
GPT-5.4OpenAI1.05M125Ktext, imagetextYesYesYes10% of input50% off2025-08
GPT-6.1 SolOpenAI1.05M125Ktext, imagetextYesYesYes5% of input50% off2026-04
GPT-6 SolOpenAI1.05M125Ktext, imagetextYesYesYes10% of input50% off2026-04
GPT-5.6 TerraOpenAI1.05M125Ktext, imagetextYesYesYes10% of input50% off2026-02
GPT-5.2OpenAI400K125Ktext, imagetextYesYesYes10% of input50% off2025-08
GPT-5.4 miniOpenAI400K125Ktext, imagetextYesYesYes10% of input50% off2025-08
GPT-5.6 LunaOpenAI1.05M125Ktext, imagetextYesYesYes10% of input50% off2026-02
GPT-6 LunaOpenAI1.05M125Ktext, imagetextYesYesYes10% of input50% off2026-05

Context, max output, inputs and tool calling: each provider's model pages (also used on our price pages). Caching and batch: computed from the prices on each provider's pricing page (cache-read price as a share of the input price; batch input price vs standard). Cutoff, output types, structured output and reasoning: the model pages and feature guides, checked Oct 24, 2026.

Rate limits by tier, and will your traffic fit?

Pick your provider, model and tier, then your expected traffic. It checks each published limit and tells you which one you hit first.

Anthropic

RPM, ITPM and OTPM per model class, token bucket. Cached input reads do not count toward ITPM on current models. Separate Message Batches limits (RPM + requests in processing queue; batch_queue here counts requests, not tokens). Tiers are Start, Build, Scale, Custom; new orgs may start in a lower Evaluation tier. Monthly spend caps: Start: $500 USD; Build: $1,000 USD; Scale: $200,000 USD; Custom: No monthly spend cap; limits arranged with account team. No per-model numbers published for: Custom. Source: https://platform.claude.com/docs/en/api/rate-limits, checked Oct 24, 2026.

Model (as the page names it)StartAssigned automatically based on usage history and account standingBuildAssigned automatically based on usage history and account standingScaleAssigned automatically based on usage history and account standing
Claude Fable 5.x (one combined limit for Claude Fable 5.1 and Claude Fable 5)1K RPM
500K Input TPM
100K Output TPM
2K RPM
1.5M Input TPM
300K Output TPM
4K RPM
4M Input TPM
800K Output TPM
Claude Opus 5.51K RPM
2M Input TPM
400K Output TPM
5K RPM
5M Input TPM
1M Output TPM
10K RPM
10M Input TPM
2M Output TPM
Claude Opus 51K RPM
2M Input TPM
400K Output TPM
5K RPM
5M Input TPM
1M Output TPM
10K RPM
10M Input TPM
2M Output TPM
Claude Opus 4.x (one combined limit for Opus 4.8, 4.7, 4.6 and 4.5)1K RPM
2M Input TPM
400K Output TPM
5K RPM
5M Input TPM
1M Output TPM
10K RPM
10M Input TPM
2M Output TPM
Claude Sonnet 5.51K RPM
2M Input TPM
400K Output TPM
5K RPM
5M Input TPM
1M Output TPM
10K RPM
10M Input TPM
2M Output TPM
Claude Sonnet 51K RPM
2M Input TPM
400K Output TPM
5K RPM
5M Input TPM
1M Output TPM
10K RPM
10M Input TPM
2M Output TPM
Claude Sonnet 4.x (one combined limit for Sonnet 4.6 and Sonnet 4.5)1K RPM
2M Input TPM
400K Output TPM
5K RPM
5M Input TPM
1M Output TPM
10K RPM
10M Input TPM
2M Output TPM
Claude Haiku 5.51K RPM
2M Input TPM
400K Output TPM
5K RPM
5M Input TPM
1M Output TPM
10K RPM
10M Input TPM
2M Output TPM
Claude Haiku 4.51K RPM
2M Input TPM
400K Output TPM
5K RPM
5M Input TPM
1M Output TPM
10K RPM
10M Input TPM
2M Output TPM
Message Batches API (shared across all models; max 100,000 requests per batch)1K RPM
200K Batch queue
2K RPM
300K Batch queue
4K RPM
500K Batch queue

OpenAI

RPM, RPD, TPM, TPD (and IPM for images), per organization and project, per model. Batch queue limit = input tokens queued per model. Long context requests have separate limits on some models. Per-model numbers come from each model page; the Free tier has no per-model numbers published. Monthly spend caps: Free: $100 / month; Build: $500 / month; Launch: $5,000 / month; Grow: $200,000 / month. No per-model numbers published for: Free. Source: https://developers.openai.com/api/docs/guides/rate-limits, checked Oct 24, 2026.

Model (as the page names it)Build$5 in total credit purchasesLaunch$100 in total credit purchasesGrow$500 in total credit purchases
gpt-6-astra5K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
gpt-6.1-sol5K RPM
1M TPM
10K RPM
4M TPM
15K RPM
40M TPM
gpt-6-luna5K RPM
2M TPM
20M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
180M TPM
15B Batch queue
gpt-6-sol5K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
gpt-5.6-sol5K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
gpt-5.6-terra5K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
gpt-5.6-luna5K RPM
2M TPM
20M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
180M TPM
15B Batch queue
gpt-5.55K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
gpt-5.5 (long context, 272K input tokens)500 RPM
1M TPM
40M Batch queue
2K RPM
10M TPM
200M Batch queue
8K RPM
20M TPM
2B Batch queue
gpt-5.5-pro500 RPM
200K TPM
1M Batch queue
1K RPM
1M TPM
20M Batch queue
2K RPM
4M TPM
1.5B Batch queue
gpt-5.45K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
gpt-5.4 (long context, 272K input tokens)500 RPM
1M TPM
40M Batch queue
2K RPM
10M TPM
200M Batch queue
8K RPM
20M TPM
2B Batch queue
gpt-5.4-pro500 RPM
100K TPM
1.35M Batch queue
1K RPM
400K TPM
200M Batch queue
1.5K RPM
4M TPM
15B Batch queue
gpt-5.4-pro (long context, 272K input tokens)50 RPM
100K TPM
20M Batch queue
200 RPM
1M TPM
100M Batch queue
800 RPM
2M TPM
1B Batch queue
gpt-5.4-mini5K RPM
2M TPM
20M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
180M TPM
15B Batch queue
gpt-5.4-nano5K RPM
2M TPM
20M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
180M TPM
15B Batch queue
gpt-5.25K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
gpt-5.2-pro5K RPM
450K TPM
1.35M Batch queue
10K RPM
2M TPM
200M Batch queue
10K RPM
30M TPM
5B Batch queue
gpt-5.2-pro (long context, 128k input tokens)250 RPM
500K TPM
20M Batch queue
1K RPM
5M TPM
100M Batch queue
4K RPM
10M TPM
1B Batch queue
gpt-5.15K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
gpt-55K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
gpt-5-mini5K RPM
2M TPM
20M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
180M TPM
15B Batch queue
gpt-5-nano5K RPM
2M TPM
20M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
180M TPM
15B Batch queue
gpt-5-pro5K RPM
450K TPM
1.35M Batch queue
10K RPM
2M TPM
200M Batch queue
10K RPM
30M TPM
5B Batch queue
gpt-4.15K RPM
450K TPM
1.35M Batch queue
10K RPM
2M TPM
200M Batch queue
10K RPM
30M TPM
5B Batch queue
gpt-4.1 (long context, 128k input tokens)250 RPM
500K TPM
20M Batch queue
1K RPM
5M TPM
100M Batch queue
4K RPM
10M TPM
1B Batch queue
gpt-4.1-mini5K RPM
2M TPM
20M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
150M TPM
15B Batch queue
gpt-4.1-mini (long context, 128k input tokens)500 RPM
1M TPM
40M Batch queue
2K RPM
10M TPM
200M Batch queue
8K RPM
20M TPM
2B Batch queue
gpt-4.1-nano5K RPM
2M TPM
20M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
150M TPM
15B Batch queue
gpt-4.1-nano (long context, 128k input tokens)500 RPM
1M TPM
40M Batch queue
2K RPM
10M TPM
200M Batch queue
8K RPM
20M TPM
2B Batch queue
gpt-4o5K RPM
450K TPM
1.35M Batch queue
10K RPM
2M TPM
200M Batch queue
10K RPM
30M TPM
5B Batch queue
gpt-4o-mini5K RPM
2M TPM
20M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
150M TPM
15B Batch queue
o15K RPM
450K TPM
1.35M Batch queue
10K RPM
2M TPM
200M Batch queue
10K RPM
30M TPM
5B Batch queue
o1-pro5K RPM
450K TPM
1.35M Batch queue
10K RPM
2M TPM
200M Batch queue
10K RPM
30M TPM
5B Batch queue
o3-pro5K RPM
450K TPM
1.35M Batch queue
10K RPM
2M TPM
200M Batch queue
10K RPM
30M TPM
5B Batch queue
o35K RPM
450K TPM
1.35M Batch queue
10K RPM
2M TPM
200M Batch queue
10K RPM
30M TPM
5B Batch queue
o4-mini2K RPM
2M TPM
2M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
150M TPM
15B Batch queue
o3-mini2K RPM
200K TPM
2M Batch queue
10K RPM
10M TPM
1B Batch queue
30K RPM
150M TPM
15B Batch queue
gpt-3.5-turbo5K RPM
2M TPM
5M Batch queue
10K RPM
10M TPM
1B Batch queue
10K RPM
50M TPM
10B Batch queue
gpt-5.6-cyber5K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
chat-latest5K RPM
450K TPM
1.35M Batch queue
10K RPM
2M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue
gpt-5.3-codex5K RPM
1M TPM
3M Batch queue
10K RPM
4M TPM
200M Batch queue
15K RPM
40M TPM
15B Batch queue

Google

RPM, TPM (input) and RPD per project; RPD resets at midnight Pacific. Per-model RPM/TPM/RPD tables are no longer published on the page, only in AI Studio. Spend-based limit per rolling 10 minutes. Published per-model numbers are batch enqueued tokens only; 100 concurrent batch requests. No per-model numbers published for: Free. Source: https://ai.google.dev/gemini-api/docs/rate-limits, checked Oct 24, 2026.

Model (as the page names it)Tier 1Set up and link an active billing accountTier 2Paid $100 + 3 days from first successful paymentTier 3Paid $1,000 + 30 days from first successful payment
Gemini 4 Argon5M Batch queue500M Batch queue1B Batch queue
Gemini 3.1 Pro Preview5M Batch queue500M Batch queue1B Batch queue
Gemini 3.5 Flash-Lite10M Batch queue500M Batch queue1B Batch queue
Gemini 3.8 Flash3M Batch queue400M Batch queue1B Batch queue
Gemini 3.1 Flash Lite10M Batch queue500M Batch queue1B Batch queue
Gemini 3.6 Flash3M Batch queue400M Batch queue1B Batch queue
Gemini 2.5 Pro5M Batch queue500M Batch queue1B Batch queue
Gemini 2.5 Flash3M Batch queue400M Batch queue1B Batch queue
Gemini 2.5 Flash Lite10M Batch queue500M Batch queue1B Batch queue

DeepSeek

No RPM/TPM tiers published; a per-account concurrency limit per model (requests in flight). Over the limit returns HTTP 429. Higher concurrency on request at no extra cost. Source: https://api-docs.deepseek.com/quick_start/rate_limit, checked Oct 24, 2026.

Model (as the page names it)All accounts (no usage tiers)
deepseek-flash2.5K In flight
deepseek-v4-pro500 In flight

Caching, batch and structured output, by provider

ProviderPrompt cachingBatch APIStructured output
Anthropicautomatic (one top-level cache_control field) or explicit cache_control breakpoints on content blocks, up to 4. Reads: 10% of input price; 2.5% on Claude Fable 5.1, 5% on Claude Opus 5.5 and Claude Sonnet 5.5. Writes cost 1.25x input (5 min) or 2x (1 hour). Minimum cacheable prompt is 512 to 4,096 tokens depending on model Lifetime: 5 minutes by default (refreshed free on each hit); 1 hour optional at 2x input price. source50% off input and output; most batches finish within 1 hour; results available when done or after 24 hours, batches expire if not done in 24 hours. sourceJSON outputs via output_config.format (JSON schema, constrained decoding) and strict tool use (strict: true). source
OpenAIautomatic (implicit breakpoints); GPT-5.6 and later also support explicit breakpoints (prompt_cache_breakpoint, up to 4 cache writes). Reads: GPT-5.6 and later: 10% of input (5% on GPT-6.1 Sol), writes 1.25x input (30 min) or 2.5x (12 h). Earlier models: model-specific cached-input rate, no write charge. 1,024 tokens for GPT-5.6 and later; varies by request settings on earlier models Lifetime: GPT-5.6 and later: minimum 30 minutes (default) or 12 hours (Responses API). Earlier: in_memory about 5 to 10 minutes idle up to 1 hour, or 24h extended retention on supported models. source50% off; within 24 hours (completion_window 24h only). sourceStructured Outputs: JSON schema via text.format json_schema with strict: true (Responses) or response_format (Chat Completions), and strict function calling. source
Googleautomatic (implicit caching on Gemini 2.5 and newer); explicit cache objects on supported Gemini 3 and 2.5 models via generateContent only, not on Gemini 4 Argon or the Interactions API. Reads: per-model context caching price on the pricing page, e.g. Gemini 4 Argon $0.10 per 1M vs $2.00 input; explicit caches also pay hourly storage. 2,048 to 4,096 tokens for implicit caching depending on model Lifetime: explicit caches default to 1 hour, settable; implicit cache lifetime not stated. source50% of standard cost; target 24 hours, often much faster. sourceJSON schema via response_format (type text, mime_type application/json, schema). source
DeepSeekautomatic (context caching on disk, on by default, best effort). Reads: cache-hit input price, e.g. deepseek-flash $0.006 vs $0.30 per 1M (peak); deepseek-v4-pro $0.044 vs $1.32 (peak). Lifetime: cleared automatically when unused, usually within a few hours to a few days. sourceNo batch API in the docs.JSON Output via response_format {type: json_object} (valid JSON, no schema); strict tool calling with JSON schema in beta (base_url /beta, strict: true). source

What the docs don't say

Where a cell is blank, we looked and the provider doesn't publish it. Specifically:

  • Google: per-model RPM/TPM/RPD tables are not published on ai.google.dev/gemini-api/docs/rate-limits (only viewable in AI Studio while signed in); only batch enqueued token limits per model are recorded.
  • Google: Gemini 3 Flash Preview (gemini-3-flash-preview) has no row in the batch enqueued tokens tables.
  • Google: knowledge cutoff is only stated on the Gemini 2.5 model pages; Gemini 4 Argon, 3.8 Flash, 3.6 Flash, 3.5 Flash-Lite, 3.1 Flash Lite, 3.1 Pro Preview and 3 Flash Preview pages give no cutoff (null).
  • Google: implicit cache minimum tokens are listed only for 4 Argon, 3.8 Flash, 3.6 Flash, 3.1 Pro Preview, 2.5 Flash, 2.5 Pro.
  • DeepSeek: docs state no knowledge cutoff for deepseek-flash or deepseek-v4-pro (null).
  • DeepSeek: no Batch API is documented (batch null).
  • DeepSeek: structured_output true means JSON Output mode (json_object, no schema enforcement); schema-enforced output only via beta strict tool calling.
  • DeepSeek: output_modalities ["text"] taken from the chat completion API reference (message content is text); the models page does not list output modalities explicitly.
  • OpenAI: gpt-5.2-pro and gpt-5.4-pro model pages do not list structured_outputs under supported features (and have no unsupported list), so structured_output is null.
  • OpenAI: chat-latest page has no "Reasoning token support" line but it is a moving alias, so reasoning is null; other models without that line are recorded as reasoning false.
  • OpenAI: usage tiers are now Free, Build, Launch, Grow (not Tier 1-5). Model pages publish Build/Launch/Grow rows only; no Free tier per-model limits.
  • OpenAI: gpt-6.1-sol page publishes no batch queue limit (null). Rows for deprecated and shut-down models (gpt-4.1-nano, o1, o1-pro, o3-mini, o4-mini, gpt-3.5-turbo etc.) are included as their pages still publish them.
  • Anthropic: tiers are now Start, Build, Scale, Custom (not Tier 1-4), with no published dollar qualification; Claude Haiku 3.5 rows skipped (not in our list).
  • Anthropic: prompt caching min_tokens varies by model, so provider-level min_tokens is null and min_tokens_by_model is given.

Method

Every value was read from the provider's own documentation (Anthropic, OpenAI, Google Gemini API, DeepSeek) on Oct 24, 2026, never from memory or third-party lists. Each cell links to the exact page. Limits change often and vary by account; the provider console shows your real numbers.

Up next

Now price it: You know which models fit. The picker prices them on your job and volume and gives 3 picks with the monthly cost.Pick an AI model for your jobLLM API pricing for 71 models per 1M tokens, checked at the source. Pick for me: your job, volume and budget give 3 models with the monthly cost. Filters, CSV.Read it next →

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