GPT-4o mini
GPT-4o mini is an API-only (closed weights) language model from OpenAI, released July 18, 2024. The context window is 125K tokens. On the Epoch Capabilities Index it scores 123.9, rank 177 of 256 rated models. API price: $0.15 input / $0.6 output per million tokens.
Check it against your own PC →
Lab
OpenAI
Released
July 18, 2024
Weights
API-only (closed weights)
Parameters
–
Context
125K
Price / M tokens
$0.15 / $0.6 in / out
Epoch ECI
123.9 #177
Strengths by category
ModelTape's 0–100 fit on Epoch AI benchmark results.
| Category | Score | Based on |
|---|---|---|
| Reasoning | 8.1 | Chess Puzzles, SimpleBench, Mystery Game Puzzles |
| Math | 12.4 | MATH level 5, OTIS Mock AIME 2024-2025, FrontierMath-Tiers-1-3-v2-Private |
| Knowledge | 29.5 | GPQA diamond, SimpleQA Verified, MMLU |
Benchmark results
| Benchmark (Epoch AI) | Score |
|---|---|
| MMLU | 75.7% |
| MATH level 5 | 52.6% |
| GPQA Diamond | 17.7% |
| Balrog | 17.4% |
| SimpleQA Verified | 8.3% |
| OTIS Mock AIME | 6.9% |
| Aider Polyglot | 3.6% |
| Mystery Game Puzzles | 3.1% |
| FrontierMath (Tiers 1–3) | 0.7% |
| Chess Puzzles | 0.0% |
| SimpleBench | 0.0% |
Links
Models with a similar score
Llama 3.1-405B · Llama 4 Scout · Gemma 3 27B · Qwen2.5-72B · GPT-4o (Aug 2024) · Gemini 1.5 Flash (Sep 2024) · GPT-4.1 nano · Mistral Large 2 (Jul 2024)
More from OpenAI
GPT-6.1 Terra · GPT-6.1 Sol · GPT-6 Sol · GPT-6 Luna · GPT-6 Astra · GPT-5.6 Cyber · Daybreak Red · Daybreak Blue