GPT 5.3 Codex API Pricing 2026
Compare pricing, benchmarks, and providers for GPT 5.3 Codex. Find the best value for your use case.
8 Ways to Use Fewer Tokens
Get the free PDF guide — practical tips to cut your token usage and API costs. Subscribe to the Price Per Token newsletter and download instantly.
Overview
GPT 5.3 Codex was released on February 24, 2026. Pricing starts at $1.75 per million input tokens and $14.00 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 5.3 Codex with 10 similar models by price.
Current Pricing (per 1M tokens)
11 models
Provider | Model | Input $/M | Output $/M | Coding | MMLU | GPQA | Context | Actions |
|---|---|---|---|---|---|---|---|---|
$1.750 | $14.000 | — | — | — | 400,000 | |||
$1.250 | $10.000 | 84.6 | 87.1 | 85.4 | 400,000 | |||
$1.250 | $10.000 | 80.1 | 86.2 | 84.4 | 1,048,576 | |||
$1.250 | $10.000 | — | — | — | 1,048,576 | |||
$1.250 | $1.250 | — | — | — | 128,000 | |||
$1.480 | $1.480 | — | 45.5 | 10.8 | 8,192 | |||
$1.500 | $2.000 | — | — | — | 4,095 | |||
QW | $1.600 | $6.400 | 35.9 | 76.2 | 58.7 | 32,768 | ||
$1.750 | $14.000 | — | — | — | 400,000 | |||
$1.750 | $14.000 | — | — | — | 128,000 | |||
$1.750 | $14.000 | 66.9 | 81.4 | 71.2 | 400,000 |
* Some models use tiered pricing based on prompt length. Displayed prices are for prompts ≤ 200k tokens.
Compare Providers
GPT 5.3 Codex is available from multiple providers with different pricing and availability.
Provider Pricing
1 models
Provider | Input $/M | Output $/M | Cache Read $/M | Cache Write $/M | Uptime |
|---|---|---|---|---|---|
OpenAI Best Price | $1.750 | $14.000 | $0.175 | - | 100.0% |
Community Rankings
How does GPT 5.3 Codex perform? Vote based on your experience.
Cost vs. Quality
Compare GPT 5.3 Codex's benchmark performance against all models.
Try GPT 5.3 Codex
Use our Calculator
Estimate your costs based on expected token usage.
Open Cost CalculatorTry in Playground
Test GPT 5.3 Codex directly in your browser.
Open PlaygroundCompare GPT 5.3 Codex
Similar Price Range
Popular Competitors
Frequently Asked Questions
All OpenAI Models
See pricing for all OpenAI models.
View all OpenAI models →