GPT-5.1-Codex-Max
by OpenAI · openai/gpt-5.1-codex-max
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
- Input / 1M tokens
- $1.25
- Output / 1M tokens
- $10.00
- Context
- 400K
Specs
| Input price | $1.25 / 1M tokens |
|---|---|
| Output price | $10.00 / 1M tokens |
| Cached input | $0.125 / 1M tokens |
| Context window | 400K tokens |
| Max output | 128K tokens |
| Reads | text, image |
| Writes | text |
| Tool calling | Yes |
| Reasoning | Yes |
| Listed | Dec 4, 2025 |
List prices in USD, updated Oct 30, 2026. Providers may charge differently.
Providers
1 provider serves this model, as of Oct 30, 2026, 18:12 UTC.
| Provider | Context | Max output | Input / 1M | Output / 1M | Cache read / 1M | Uptime (30 min) | Latency (median) | Throughput (median) | Supports | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| Azure | 400K | 128K | $1.25 | $10.00 | $0.125 | 100% | 4.43 s | 70 tok/s | Normal |
"Cheapest" is the lowest input plus output price; "Fastest" the highest median throughput. Columns empty for every provider are not shown.
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