GPT-5.3 Codex
Updated Sep 11, 2026
gpt-codex400k context128k max outputreleased Feb 5, 2026ReasoningTool calling
Official (OpenAI)
$14
output per 1M tokens
Providers
29
offering this model
Spread
1.3×
max / min output
Offers
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge.
| Provider | 1M input | 1M output | 1M cache read | 1M cache write | Context |
|---|---|---|---|---|---|
| Poe | Cheapest$1.6 | Cheapest$13 | $0.16 | — | 400k |
| Abacus | $1.75 | $14 | $0.18 | — | 400k |
| AIHubMix | $1.75 | $14 | $0.175 | — | 400k |
| Azure | $1.75 | $14 | $0.175 | — | 400k |
| Azure Cognitive Services | $1.75 | $14 | $0.175 | — | 400k |
| DigitalOcean | $1.75 | $14 | $0.175 | — | 400k |
| Eden AI | $1.75 | $14 | $0.175 | — | 400k |
| FastRouter | $1.75 | $14 | — | — | 400k |
| FreeModel | $1.75 | $14 | $0.175 | $1.75 | 400k |
| FrogBot | $1.75 | $14 | $0.175 | — | 400k |
| Impossibl | $1.75 | $14 | $0.175 | — | 400k |
| Kilo Gateway | $1.75 | $14 | $0.175 | — | 400k |
| DevPass (LLM Gateway) | $1.75 | $14 | $0.175 | — | 400k |
| LLM Gateway | $1.75 | $14 | $0.175 | — | 400k |
| LLM Gateway | $1.75 | $14 | $0.175 | — | 400k |
| NanoGPT | $1.75 | $14 | $0.175 | — | 400k |
| Neon | $1.75 | $14 | $0.175 | — | 400k |
| Ofox | $1.75 | $14 | $0.18 | — | 400k |
| OpenAI | $1.75 | $14 | $0.175 | — | 400k |
| OpenCode Zen | $1.75 | $14 | $0.175 | — | 400k |
| OpenRouter | $1.75 | $14 | $0.175 | — | 400k |
| Opper | $1.75 | $14 | $0.175 | — | 400k |
| OrcaRouter | $1.75 | $14 | $0.175 | — | 400k |
| Pioneer | $1.75 | $14 | $0.175 | $1.75 | 400k |
| Requesty | $1.75 | $14 | $0.175 | — | 400k |
| Vercel AI Gateway | $1.75 | $14 | $0.175 | — | 400k |
| Vivgrid | $1.75 | $14 | $0.175 | — | 400k |
| ZenMux | $1.75 | $14 | — | — | 400k |
| Venice AI | $2.19 | $17.5 | $0.219 | — | 400k |
Subscription plans (not per-token)
Billed per month, not per token — never counted as the cheapest offer.
| Provider | 1M input | 1M output | Context |
|---|---|---|---|
| GitHub Copilotplan | $1.75 | $14 | 400k |