# GPT-4.1 mini

GPT-4.1 mini is an AI model released by OpenAI on Apr 14 2025. Tracked results include 23.6% on SWE-Bench Verified.

## Facts

| Field | Value |
| --- | --- |
| Model | GPT-4.1 mini |
| Developer | OpenAI |
| Release date | Monday, Apr 14 2025 |
| Licensing | Proprietary |

## API pricing

All rates in USD per 1,000,000 tokens, pay-as-you-go.

| Tier | Input | Cached input | Output |
| --- | --- | --- | --- |
| All documented contexts | $0.40 | $0.10 | $1.60 |

Verified August 18, 2026 against the first-party source: https://developers.openai.com/api/docs/models/gpt-4.1-mini

## Tracked benchmark scores

| Benchmark | Score | Source | What it measures |
| --- | --- | --- | --- |
| SWE-Bench Verified | 23.6% | [BenchLM](https://benchlm.ai), retrieved 2026-08-31 | 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. |

## Questions and answers

### When was GPT-4.1 mini released?

GPT-4.1 mini was released by OpenAI on Monday, Apr 14 2025.

### Who made GPT-4.1 mini?

GPT-4.1 mini was built by OpenAI. Creators of ChatGPT and the GPT series of models. Pioneered large-scale language model research.

### How much does GPT-4.1 mini cost?

GPT-4.1 mini costs $0.40 per million input tokens and $1.60 per million output tokens through the OpenAI API. Cached input is $0.10 per million tokens. Rates are pay-as-you-go API prices verified against OpenAI's published pricing on August 18, 2026.

### What benchmark scores did GPT-4.1 mini get?

GPT-4.1 mini reports 1 tracked benchmark score — SWE-Bench Verified: 23.6%. Tracked scores may come from lab reports or independent benchmarks; source details accompany the benchmark data.

### Is GPT-4.1 mini open source?

No. GPT-4.1 mini is a proprietary model. The weights are not published — it is available only through the provider's own API, apps, or partner platforms.

### What came before and after GPT-4.1 mini?

OpenAI's previous tracked release was GPT-4.1 on Apr 14 2025. It was followed by GPT-4.1 nano on Apr 14 2025.


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Canonical page: https://aireleasetracker.com/model/openai/gpt-4.1-mini
Full dataset: https://aireleasetracker.com/llms-full.txt · JSON: https://aireleasetracker.com/models.json
Source: AI Release Tracker (https://aireleasetracker.com). Most benchmark scores come from lab launch material; gathered results identify the leaderboard that published them.