GPT-o4 Mini
OpenAI GPT-o4 Mini: fast o-series reasoning model for coding and visual tasks, with fine-tuning support, medium speed, and higher usage limits than o3.
Model Overview
Capabilities, design details, and architectural traits
GPT-o4 Mini - Fast o-Series Reasoning with Fine-Tuning Support
GPT-o4 Mini is OpenAI's small o-series model built for fast reasoning with a specific focus on coding and visual tasks. Its most structurally distinctive trait within the o-series is that it supports fine-tuning. OpenAI also explicitly documents that GPT-o4 Mini supports significantly higher usage limits than o3, positioning it as the o-series option for high-volume, high-throughput workloads.
| Trait | Detail |
|---|---|
| Fine-tuning | Supported |
| Usage limits | Significantly higher rate limits than o3, documented for high-volume and high-throughput use |
| Visual reasoning | Integrates images directly into the chain of thought, not as isolated inputs |
| Reasoning effort | Configurable via reasoning_effort; the o4-mini-high variant in ChatGPT uses the high setting |
| Speed tier | Medium |
| Reasoning summary | Supports the detailed reasoning summary setting |
Designed for Coding and Visual Tasks at Scale
GPT-o4 Mini is optimized for efficient performance in coding and visual tasks. Its combination of fine-tuning support, medium speed, and documented high-throughput positioning makes it the o-series choice when task-specific adaptation or volume are requirements.
Benchmark Performance
Independent evaluations · Artificial Analysis
Accuracy & Capability Details
Compare Models Side-by-Side
Evaluate specifications, pricing, and independent benchmark indices
| Model Details | |||
|---|---|---|---|
| General Info | |||
| Provider | OpenAI | Anthropic | Anthropic |
| Release Date | April 16, 2025 | September 22, 2026 | September 28, 2026 |
| Knowledge Cutoff | Jun 2024 | - | Jun 2026 |
| Context & Limits | |||
| Context Window | 200K | 1M Best Context Window | 1M Best Context Window |
| Pricing (per 1M tokens) | |||
| Input Pricing | $1.10 Best Input Pricing | $4 | $2 |
| Output Pricing | $4.40 Best Output Pricing | $20 | $10 |
| Modalities | |||
| Inputs | imagetextfile | textimagefile | textimagefile |
| Outputs | text | text | text |
| Benchmarks (0-100) | |||
| Intelligence Index | 16.7 | 57.6 Best Intelligence Index | 56.0 |
| Coding Index | - | - | - |
| Agentic Index | - | - | - |
Humanity's Last Exam
Extremely difficult logical reasoning and knowledge.
Long Context Reasoning
Logical reasoning over long context windows.
SciCode Benchmark
Scientific coding and mathematical modeling.
Independent evaluation data provided by Artificial Analysis. To view the latest benchmarks and full details, visit their official site.
Explore more from OpenAI
Other models by OpenAI
Top AI Models
Leading alternatives by intelligence score
