Best of / AI models / Cheapest LLM API with a batch discount
Best of · AI API prices · checked Oct 23, 2026
Cheapest LLM API with a batch discount
Short answerClaude Haiku 5.5 (Anthropic) is the cheapest: $0.17 per 1,000 batch jobs. Next: GPT-6 Luna at $0.17 and GPT-5.6 Luna at $0.38. 25 current models qualify (prices checked Oct 23, 2026). Price only, not answer quality.
Every model that qualifies, cheapest first
| # | Model | Provider | Per 1,000 batch jobs | Context | Input / output per 1M |
|---|---|---|---|---|---|
| 1 | Claude Haiku 5.5 | Anthropic | $0.17 | 1M | $0.1 / $0.5 |
| 2 | GPT-6 Luna | OpenAI | $0.17 | 1.05M | $0.1 / $0.5 |
| 3 | GPT-5.6 Luna | OpenAI | $0.38 | 1.05M | $0.2 / $1.2 |
| 4 | Gemini 3.1 Flash-Lite | $0.47 | 1.05M | $0.25 / $1.5 | |
| 5 | Gemini 3.5 Flash-Lite | $0.68 | 1.05M | $0.3 / $2.5 | |
| 6 | Gemini 3 Flash Preview | $0.95 | 1.05M | $0.5 / $3 | |
| 7 | Gemini 3.8 Flash | $1.31 | 1.05M | $0.75 / $3.75 | |
| 8 | Gemini 3.6 Flash | $1.31 | 1.05M | $0.75 / $3.75 | |
| 9 | GPT-5.4 mini | OpenAI | $1.43 | 400K | $0.75 / $4.5 |
| 10 | Claude Sonnet 5.5 | Anthropic | $3.50 | 1M | $2 / $10 |
| 11 | GPT-6.1 Sol | OpenAI | $3.50 | 1.05M | $2 / $10 |
| 12 | GPT-6 Sol | OpenAI | $3.50 | 1.05M | $2 / $10 |
| 13 | Gemini 4 Argon | $3.50 | 1.05M | $2 / $10 | |
| 14 | GPT-5.6 Terra | OpenAI | $3.80 | 1.05M | $2 / $12 |
| 15 | Gemini 3.1 Pro Preview | $3.80 | 1.05M | $2 / $12 | |
| 16 | GPT-5.2 | OpenAI | $3.85 | 400K | $1.75 / $14 |
| 17 | GPT-5.4 | OpenAI | $4.75 | 1.05M | $2.5 / $15 |
| 18 | Claude Opus 5.5 | Anthropic | $7.00 | 1M | $4 / $20 |
| 19 | GPT-5.6 Sol | OpenAI | $7.00 | 1.05M | $4 / $20 |
| 20 | GPT-5.5 | OpenAI | $9.50 | 1.05M | $5 / $30 |
Rules
Current models with a listed batch price, ranked by the batch cost of our batch-extraction workload (batch extraction); batch results can take up to 24 hours. Current = not deprecated, legacy or shut down on the provider's model page. Prices from each provider's pricing page; full method on LLM prices.
Want a pick for your exact job and volume? Pick for me, or see the cheapest model for each job.
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