OpenAI: GPT-5.1-Codex-Mini
🇺🇸 OpenAI · GPT-5.1-Codex-Mini
Input Price $0.250 per million tokens NT$8.0
Output Price $2.00 per million tokens NT$64.0
Context Window 400K tokens Output limit: 100K
OpenRouter Route Price Please verify with official pricing pages
| Dimension | Unit | Price (USD) |
|---|---|---|
| Input | per 1M tokens | $0.250 |
| Output | per 1M tokens | $2.00 |
| Cached Input | per 1M tokens | $0.025 |
| Web Search | per search | $0.010 |
- Provider
- OpenAI (OpenAI)
- Model Family
- GPT-5.1-Codex-Mini
- Version String
- openai/gpt-5.1-codex-mini
- Status
- active
- Modality
- image, text
- Context Window
- 400,000 tokens
- Output Limit
- 100,000 tokens
Index Metrics
Cross-domain capability indexes evaluated by Artificial Analysis — Artificial Analysis
Agentic Index 39 B Measured: 2026-05-27
Coding Index 36 B Measured: 2026-05-27
Intelligence Index 39 B Measured: 2026-05-27
Benchmark Scores
Data source: Artificial Analysis
AA-LCR 62.7% B Measured: 2026-05-27
GPQA Diamond 81.3% A Measured: 2026-05-27
HLE 16.9% B Measured: 2026-05-27
IFBench 67.9% B Measured: 2026-05-27
MMMU Pro 69.0% B Measured: 2026-05-27
Non-Hallucination 49.2% Measured: 2026-05-27
Omniscience Accuracy 22.7% Measured: 2026-05-27
SciCode 42.6% B Measured: 2026-05-27
Tau2 62.9% Measured: 2026-05-27
TerminalBench 33.3% Measured: 2026-05-27
Performance Metrics
Real-world benchmarks, updated every 72 hours by Artificial Analysis — Artificial Analysis
First Token Latency 6.4s Measured: 2026-05-27
Output Speed 176 t/s Measured: 2026-05-27
Response Time 9.3s Measured: 2026-05-27
90-Day Price Trend
Input / Output price (USD per 1M tokens)
Past 90 days of records; every price change is shown here
| Date | Dimension | Price (USD) | Source |
|---|---|---|---|
| 2026-05-27 | Web Search | $0.010 | openrouter |
| 2026-05-27 | Cached Input | $0.025 | openrouter |
| 2026-05-27 | Output | $2.00 | openrouter |
| 2026-05-27 | Input | $0.250 | openrouter |
| 2026-05-26 | Web Search | $0.010 | openrouter |
| 2026-05-26 | Cached Input | $0.030 | openrouter |
| 2026-05-26 | Output | $2.00 | openrouter |
| 2026-05-26 | Input | $0.250 | openrouter |
| 2026-05-25 | Web Search | $0.010 | openrouter |
| 2026-05-25 | Cached Input | $0.030 | openrouter |
| 2026-05-25 | Output | $2.00 | openrouter |
| 2026-05-25 | Input | $0.250 | openrouter |
| 2026-05-24 | Web Search | $0.010 | openrouter |
| 2026-05-24 | Cached Input | $0.030 | openrouter |
| 2026-05-24 | Output | $2.00 | openrouter |
| 2026-05-24 | Input | $0.250 | openrouter |
| 2026-05-23 | Web Search | $0.010 | openrouter |
| 2026-05-23 | Cached Input | $0.030 | openrouter |
| 2026-05-23 | Output | $2.00 | openrouter |
| 2026-05-23 | Input | $0.250 | openrouter |
| 2026-05-22 | Web Search | $0.010 | openrouter |
| 2026-05-22 | Cached Input | $0.030 | openrouter |
| 2026-05-22 | Output | $2.00 | openrouter |
| 2026-05-22 | Input | $0.250 | openrouter |
| 2026-05-22 | Web Search | $0.010 | openrouter |
| 2026-05-22 | Cached Input | $0.030 | openrouter |
| 2026-05-22 | Output | $2.00 | openrouter |
| 2026-05-22 | Input | $0.250 | openrouter |
| 2026-05-21 | Web Search | $0.010 | openrouter |
| 2026-05-21 | Cached Input | $0.030 | openrouter |
| 2026-05-21 | Output | $2.00 | openrouter |
| 2026-05-21 | Input | $0.250 | openrouter |
| 2026-05-20 | Web Search | $0.010 | openrouter |
| 2026-05-20 | Cached Input | $0.030 | openrouter |
| 2026-05-20 | Output | $2.00 | openrouter |
| 2026-05-20 | Input | $0.250 | openrouter |
| 2026-05-19 | Cached Input | $0.030 | openrouter |
| 2026-05-19 | Output | $2.00 | openrouter |
| 2026-05-19 | Input | $0.250 | openrouter |
| 2026-05-18 | Cached Input | $0.030 | openrouter |
| 2026-05-18 | Output | $2.00 | openrouter |
| 2026-05-18 | Input | $0.250 | openrouter |
| 2026-05-17 | Cached Input | $0.030 | openrouter |
| 2026-05-17 | Output | $2.00 | openrouter |
| 2026-05-17 | Input | $0.250 | openrouter |
| 2026-05-16 | Cached Input | $0.030 | openrouter |
| 2026-05-16 | Output | $2.00 | openrouter |
| 2026-05-16 | Input | $0.250 | openrouter |
| 2026-05-16 | Cached Input | $0.030 | openrouter |
| 2026-05-16 | Output | $2.00 | openrouter |
Description
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
Key Insights
Key data points from this page for quick reference and citation.
- OpenAI: GPT-5.1-Codex-Mini Input price: $0.25/M tokens
- OpenAI: GPT-5.1-Codex-Mini Output price: $2/M tokens
- Context window: 400,000 tokens
- Provider: OpenAI
- Model family: GPT-5.1-Codex-Mini
- Modalities: image, text
- Data source: OpenRouter, updated daily