GPT-4.1 Mini API pricing
As of October 21, 2026, OpenAI GPT-4.1 Mini costs $0.40 per million input tokens and $1.60 per million output tokens through OpenRouter, with cached input at $0.10 per million.
GPT-4.1 Mini benchmarks and specs · Every OpenAI model's price
- Input, per million tokens$0.40
- Output, per million tokens$1.60
- Cached input, per million$0.10
- Context window1.05M tokens
- Max output33K tokens
- 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 | $0.0012 | $1.20 | Yes |
| Repository review | 50K input + 3K output tokens | $0.025 | $24.80 | Yes |
| Agent loop | 200K input + 10K output tokens | $0.096 | $96.00 | Yes |
| Solved coding task | One SWE-bench Verified attempt, divided by the share that succeed | $1.818 | $1817.69 |
Price history
We read this price every day and have since October 15, 2026. It has not changed yet; any change will be listed here with its date.
- October 15, 2026 First recorded: $0.40 input, $1.60 output
Cheaper models as good as GPT-4.1 Mini
Models within two points of GPT-4.1 Mini or above it on the Artificial Analysis Intelligence Index, with a lower output price. Cheapest first.
- Ling 3.0 Flash$0.063 Overall 20.1 against 10.2 · 96% cheaper output
- gpt-oss-20b$0.09 Overall 10.0 against 10.2 · 94% cheaper output
- Qwen3.5-9B$0.13 Overall 13.3 against 10.2 · 92% cheaper output
- Mercury 2.5$0.15 Overall 12.3 against 10.2 · 91% cheaper output
- Ling 3.0 Flash VL$0.18 Overall 24.6 against 10.2 · 89% cheaper output
GPT-4.1 Mini pricing questions
- How much does GPT-4.1 Mini cost per million tokens?
- $0.40 per million input tokens and $1.60 per million output tokens, as listed on OpenRouter on October 21, 2026.
- Does GPT-4.1 Mini support prompt caching?
- Yes. OpenRouter lists cached input at $0.10 per million tokens, against $0.40 for uncached input.
- Is there a cheaper model as good as GPT-4.1 Mini?
- Ling 3.0 Flash scores 20.1 on the Artificial Analysis Intelligence Index, within two points of GPT-4.1 Mini or above it, and costs $0.063 per million output tokens.
- Has the price of GPT-4.1 Mini changed?
- Not since we started recording it daily on October 15, 2026.