GPT-4.1 API Pricing
OpenAI · released 2025-04-14
Also searched as: GPT 4.1 pricing
GPT-4.1 price
0.200¢ / 1K
0.800¢ / 1K
0.350¢ / 1K
Official list price from OpenAI, as recorded by models.dev
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.34¢ |
| RAG query | 4,000 in / 500 out | $0.0120 |
| Long document summary | 50,000 in / 1,000 out | $0.1080 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0760 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $102.00 |
Cost = (input tokens ÷ 1,000,000 × $2.00) + (output tokens ÷ 1,000,000 × $8.00).
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 135.9 | epoch | 2025-04-14 |
| Epoch Mock AIME accuracy | No public data yet | ||
| Epoch FrontierMath (T1–3) accuracy | No public data yet | ||
| Arena text rating | No public data yet | ||
| Arena coding rating (human preference votes, not task accuracy) | No public data yet | ||
| Arena math rating | No public data yet | ||
| Arena WebDev rating | No public data yet | ||
Similar ECI, lower price
| Model | ECI | Blended $/1M |
|---|---|---|
| GPT-5 Nano | 139.2 | $0.1375 |
| Qwen3 8B | 132.2 | $0.31 |
| GPT-4.1 mini | 134.3 | $0.70 |
| Mistral Medium 3 | 132.8 | $0.80 |
| Qwen3 235B-A22B | 138.4 | $1.225 |
More from OpenAI
| Model | Released | Blended $/1M |
|---|---|---|
| GPT-6.1 Terra | 2026-10-26 | $2.00 |
| GPT-6.1 Sol | 2026-09-29 | $4.00 |
| GPT-6 Sol | 2026-09-22 | $4.00 |
| GPT-6 Luna | 2026-09-22 | $0.20 |
| GPT-Live 1 | 2026-09-10 | — |
| GPT Image 2.5 Sunburst | 2026-09-08 | $11.25 |
| GPT Image 2.5 Flare | 2026-09-08 | $11.25 |
| GPT-6 Astra (Fast) | 2026-09-04 | — |
Count tokens & estimate cost for GPT-4.1 See GPT-4.1 on the leaderboard
Prices: OpenAI's official list price as recorded by models.dev; benchmarks: see sources below; last synced 2026-11-06.
FAQ
Who develops GPT-4.1?
GPT-4.1 is developed by OpenAI, released 2025-04-14.
How much does GPT-4.1 cost per million tokens?
GPT-4.1 costs $2.00 per 1M input tokens and $8.00 per 1M output tokens ($3.50 blended), per OpenAI's official list price as recorded by models.dev.
What is the GPT-4.1 API price?
The GPT-4.1 API price is $2.00 per 1M input tokens and $8.00 per 1M output tokens ($3.50 per 1M blended).
How much does GPT-4.1 cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.34¢ on GPT-4.1, at $2.00/1M input and $8.00/1M output.
Is GPT-4.1 free?
GPT-4.1's official API list price is $2.00 per 1M input tokens and $8.00 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check OpenAI's site for those.
How does GPT-4.1 rank on benchmarks?
GPT-4.1 scores 135.9 on the Epoch Capabilities Index (ECI), ranking #95 of 107 models we track with a published ECI score.
Is there a cheaper model with a similar ECI to GPT-4.1?
Yes — GPT-5 Nano scores a similar ECI (139.2) at $0.1375/1M blended, versus $3.50/1M for GPT-4.1.
Where does this data come from?
Pricing for GPT-4.1 comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses) — see /data-sources/. Last synced 2026-11-06.