Compare AI models
| API pricingUSD per 1M tokens · lower wins | ||
Input priceWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it. | $0.40 | $1.10 |
Output priceWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one. | $1.60 | $4.40 |
Cached input priceA reduced rate for text you send over and over. If every request starts with the same instructions or the same document, the provider keeps a copy ready and charges less to read it again. | $0.10 | $0.55 |
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page. | $0.40Azure | $1.10OpenAI |
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input. | $1.60Azure | $4.40OpenAI |
| $160OpenAI list price | $440OpenAI list price | |
| Benchmarks | ||
SWE-Bench VerifiedCoding — Real coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 23.6% | 49.3% |
| Overview | ||
| Company | OpenAI | OpenAI |
| Release date | Apr 14 2025 | Jan 31 2025 |
| Access | Closed | Closed |
| Model details | View model | View model |
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o3-mini leads GPT-4.1 mini on 1 of the 1 benchmark they both report (SWE-Bench Verified). GPT-4.1 mini is cheaper on both input and output: $0.40 vs $1.10 per million input tokens, and $1.60 vs $4.40 per million output tokens. o3-mini shipped 73 days before GPT-4.1 mini, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
On SWE-Bench Verified, o3-mini leads at 49.3% vs GPT-4.1 mini at 23.6%.