# GPT-5.3 Codex API prices

GPT-5.3 Codex (gpt-codex) — 400k context, 128k max output.
29 metered per-token offers from 29 provider(s), in USD per 1M tokens.
Prices as of 2026-10-04.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| Ofox | $1.4 | $11.2 | $0.144 | 400k |
| Poe | $1.6 | $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 | 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 |
| 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 | 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 |

## Summary

- Cheapest input: $1.4 per 1M tokens (Ofox)
- Cheapest output: $11.2 per 1M tokens (Ofox)
- First-party: $14 per 1M output tokens (OpenAI)
- Free offers: none
- Subscription plans (not per-token): GitHub Copilot
- Released: 2026-02-05
- Inputs: image, pdf, text

## FAQ

### What is the cheapest GPT-5.3 Codex API?

As of Oct 4, 2026, Ofox has the lowest GPT-5.3 Codex output price at $11.2 per 1M tokens, and Ofox has the lowest input price at $1.4 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

### How much does GPT-5.3 Codex cost on OpenAI?

OpenAI charges $1.75 per 1M input tokens and $14 per 1M output tokens for GPT-5.3 Codex.

### How many providers offer GPT-5.3 Codex?

29 providers list GPT-5.3 Codex on Sovyron; 29 of them sell it at a metered per-token price.

### Is GPT-5.3 Codex free?

No provider in the Sovyron catalog lists a free tier for GPT-5.3 Codex.

### Is GPT-5.3 Codex included in a subscription plan?

Yes. 2 flat-rate plan(s) include it; the cheapest is GitHub Copilot Pro at $10/month.

### What is the context window of GPT-5.3 Codex?

GPT-5.3 Codex supports a 400k-token context window and up to 128k output tokens.

HTML page: https://sovyron.com/models/gpt-5-3-codex/
Full dataset: https://sovyron.com/data/catalog.json