GPT-5.3 Codex API pricing on OpenRouter
Every OpenRouter GPT-5.3 Codex rate we track, compared against 4 providers serving the same model.
The cheapest GPT-5.3 Codex input price we currently track is $1.75/1M on Microsoft Azure.
OpenRouter GPT-5.3 Codex rates
Prices per 1M tokens. Batch and cached-input rates are shown where the provider publishes them.
| Mode | Input | Output |
|---|---|---|
| Standard | $1.75/1M | $14.00/1M |
About GPT-5.3 Codex
- Creator
- OpenAI
- Modalities
- text
GPT-5.3 Codex on other providers
About OpenRouter
OpenRouter provides a unified API for accessing hundreds of AI models from multiple providers. It aggregates models from OpenAI, Anthropic, Google, Meta, Mistral, and many others, offering a single endpoint with automatic fallback routing and provider optimization.
Frequently Asked Questions
How much does GPT-5.3 Codex cost on OpenRouter?
OpenRouter serves GPT-5.3 Codex from $1.75 per 1M input tokens, across 1 tracked pricing mode. Prices are collected daily — see the table above for current input, output, and cached-input rates.
Is OpenRouter the cheapest way to run GPT-5.3 Codex?
OpenRouter ranks #1 of 4 providers we track serving GPT-5.3 Codex. The cheapest input price right now is on Microsoft Azure. Price is only one factor — throughput, latency, and context limits differ between providers.
Does OpenRouter offer batch or cached pricing for GPT-5.3 Codex?
We track 1 GPT-5.3 Codex offering from OpenRouter. Batch and cached-input rates appear in the table above when the provider publishes them; blank cells mean we have no current figure for that mode.