o1-mini API pricing
RetiredAs of October 22, 2026, OpenAI o1-mini costs $1.10 per million input tokens and $4.40 per million output tokens as listed on OpenRouter.
No longer sold through the API. Retired on October 27, 2025; last list price shown.
- Input, per million tokens$1.10
- Output, per million tokens$4.40
- Cached input, per millionNo cache price listed
- Context window128K tokens
- Max outputNot published
- Output speedNot measured
What a request costs
Three fixed token mixes at the list price, without cache or batch discounts. For a whole month, use the calculator.
| Workload | Tokens | One request | 1,000 requests | Fits the context window |
|---|---|---|---|---|
| Chat turn | 1K input + 500 output tokens | $0.0033 | $3.30 | Yes |
| Repository review | 50K input + 3K output tokens | $0.068 | $68.20 | Yes |
| Agent loop | 200K input + 10K output tokens | $0.264 | $264.00 | No, it would need splitting |
| Solved coding task | One SWE-bench Verified attempt, divided by the share that succeed | Not computable | Not computable |
Price history
The price of o1-mini here is the price OpenRouter lists, so we do not track price changes for it.
Cheaper models as good as o1-mini
Models within two points of o1-mini or above it on the LLMBenchmark Index, with a lower output price. Cheapest first.
- Qwen3.5-Flash$0.26 Overall 50.1 against 42.2 · 94% cheaper output
- MiMo-V2.6-Flash$0.28 Overall 60.8 against 42.2 · 94% cheaper output
- Qwen3 30B A3B Instruct 2507$0.30 Overall 41.5 against 42.2 · 93% cheaper output
- MiMo-V2.5$0.336 Overall 50.7 against 42.2 · 92% cheaper output
- DeepSeek V4 Flash 0731$0.396 Overall 55.2 against 42.2 · 91% cheaper output
o1-mini pricing questions
- How much does o1-mini cost per million tokens?
- $1.10 per million input tokens and $4.40 per million output tokens, as listed on OpenRouter on October 22, 2026.
- Does o1-mini support prompt caching?
- OpenRouter lists no cached input price for this model, so assume every input token is billed at the full rate.
- Is there a cheaper model as good as o1-mini?
- Qwen3.5-Flash scores 50.1 on the LLMBenchmark Index, within two points of o1-mini or above it, and costs $0.26 per million output tokens.
- Has the price of o1-mini changed?
- The price of o1-mini here is the price OpenRouter lists, so we do not track price changes for it.