GPT-5 Codex
by NanoGPT · family gpt-codex · listed Sep 2025
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Current rates USD per 1M tokens
Input$10.00
Output$19.99
Cache read—
Cache write—
Against the market
On the record
- Model id
openai/gpt-5-codex- Context window
- 256K tokens
- Max output
- 33K tokens
- Input modalities
- text
- Output modalities
- text
- Reasoning
- no
- Tool calls
- no
- Open weights
- no
- Knowledge cutoff
- —
- Released
- 2025-09-15
- Last updated
- 2025-09-15
- Provider docs
- docs.nano-gpt.com
Back of the envelope
≈
Also listed at
- OpenCode Zen$1.07 in · $8.50 out
- Poe$1.10 in · $9.00 out
- Jiekou.AI$1.13 in · $9.00 out
- Requesty$1.25 in · $10.00 out
- Vercel AI Gateway$1.25 in · $10.00 out
- ZenMux$1.25 in · $10.00 out
- OpenAI$1.25 in · $10.00 out
- OrcaRouter$1.25 in · $10.00 out
- Helicone$1.25 in · $10.00 out
- Abacus$1.25 in · $10.00 out
- Azure$1.25 in · $10.00 out
- Kilo Gateway$1.25 in · $10.00 out
- OpenRouter$1.25 in · $10.00 out
- Azure Cognitive Services$1.25 in · $10.00 out