GPT 5 Codex API Pricing 2026
Compare pricing, benchmarks, and providers for GPT 5 Codex. Find the best value for your use case.
Get our weekly newsletter on pricing changes, new releases, and tools.
Overview
GPT 5 Codex was released on September 23, 2025. Pricing starts at $1.25 per million input tokens and $10.00 per million output tokens. The model supports a context window of up to 400K tokens. API access is available through OpenAI.
Pricing Comparison
Compare GPT 5 Codex with 0 similar models by price.
Current Pricing (per 1M tokens)
1 models
Provider | Model | Input $/M | Output $/M | Coding | MMLU | GPQA | Context | Actions |
|---|---|---|---|---|---|---|---|---|
$1.250 | $10.000 | 84.0 | 86.5 | 83.7 | 400,000 |
* Some models use tiered pricing based on prompt length. Displayed prices are for prompts ≤ 200k tokens.
Compare Providers
GPT 5 Codex is available from multiple providers with different pricing and availability.
No multi-provider data available for this model
This model may only be available from a single provider
Community Rankings
How does GPT 5 Codex perform? Vote based on your experience.
Cost vs. Quality
Compare GPT 5 Codex's benchmark performance against all models.
Detailed Benchmark Scores
Try GPT 5 Codex
Use our Calculator
Estimate your costs based on expected token usage.
Open Cost CalculatorTry in Playground
Test GPT 5 Codex directly in your browser.
Open PlaygroundCompare GPT 5 Codex
Similar Price Range
Same Provider
Popular Competitors
Frequently Asked Questions
All OpenAI Models
See pricing for all OpenAI models.
View all OpenAI models →