OpenAI: GPT-5.1-Codex-Mini
GPT-5.1-Codex-Mini delivers impressive coding and agentic performance at a fraction of the cost of larger OpenAI models, with a 400K context window and full multimodal support, making it an excellent value option for businesses with technical workloads.
Assessment date: April 4, 2026
Our methodology takes into account a range of factors including pricing, functionality, capabilities, benchmark performance, and real-world applicability. Rankings are reviewed and updated regularly as new models are released. Issues with our rankings? Contact us
Performance Profile
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
Capabilities
Architecture
| Modality | Text + Image → Text |
| Tokenizer | GPT |
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
Model Information
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.25 | $0.000250 |
| Output | $2.00 | $0.002000 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
