openai/gpt-5-codex
GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
| Provider | In $/M | Out $/M | Context | Uptime |
|---|---|---|---|---|
| OpenAIcache | $1.25 | $10.00 | 400K | — |
GPT-5 Codex costs $1.25 per million input tokens and $10.00 per million output tokens via OpenRouter, making it 225th cheapest of 298 paid models.
GPT-5 Codex scores 44.6 on the Artificial Analysis Intelligence Index, ranking 24th of 178 benchmarked models, with a GPQA Diamond score of 84%.
GPT-5 Codex generates around 43 tokens per second with 3.6s time-to-first-token (p50), the 194th fastest tracked model.
GPT-5 Codex supports a 400K-token context window and can output up to 128K tokens. It accepts text, image input.