GPT-5 Codex Pricing - Cost Calculator

Track GPT-5-Codex pricing across providers and set alerts to monitor changes in coding-focused AI model costs.

GPT-5 Codex, a coding model from OpenAI released 23 September 2025, has been deprecated. It replaced Codex Mini Latest, but was in turn replaced by GPT-5.6 Sol on 23 July 2026. The context window holds 400,000 tokens, with up to 128,000 returned per response. It costs between $1.25 and $2.50 per million input tokens, depending on service tier.

Last updated Sep 27, 2026

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Model Details

Released
Sep 23, 2025
Status
Deprecated(on Jul 23, 2026)
Context Length
400,000
Max Output
128,000
Superseded By
GPT-5.6 Sol

Where is GPT-5 Codex a perfect fit?

GPT-5-Codex builds on OpenAI’s coding lineage, providing advanced programming assistance and reasoning capabilities with stronger accuracy, context handling, and language versatility than prior Codex models.

Perfect Fit For:
- Code generation, completion, and refactoring
- API and script automation
- Multi-language programming support (Python, JavaScript, Go, etc.)
- Development tools, IDE assistants, and software documentation generation

Quick Model Estimate

(USD 1.2500 per 1M tokens)
(USD 10.0000 per 1M tokens)

Your GPT-5 Codex Cost Estimate

💰 Total Cost

—

for 1000 input + 1000 output tokens

📥 Input (1000 × $1.250000) —
📤 Output (1000 × $10.000000) —

Cost Breakdown

📥 Input 📤 Output

Prices are watched for changes and checked against the provider's own page.

Pricing

Provider ↕
Modality ↕
Service Tier ↕
Input Price
(per 1M tokens) ↕
Output Price
(per 1M tokens) ↕
Cached Input
(per 1M tokens) ↕
Context Size ↕
View
OpenAI LogoOpenAITextStandard$1.2500$10.0000$0.1250400,000 tokens→
OpenAI LogoOpenAITextPriority$2.5000$20.0000$0.2500400,000 tokens→

Other Models in the GPT-5 Family

GPT-5

Active

Multimodal · 400,000 context

GPT-5 Chat Latest

Deprecated

Chat · 128,000 context

GPT-5 Mini

Active

Multimodal · 400,000 context

GPT-5 Nano

Active

Multimodal · 400,000 context

GPT-5 Pro

Active

Multimodal · 400,000 context

GPT-5 Search API

Active

Search · 128,000 context

FAQs about GPT-5 Codex

How much does GPT-5 Codex cost per 1M tokens?

GPT-5 Codex costs between $1.25 and $2.50 per million input tokens, and between $10.00 and $20.00 per million output tokens. The range covers Standard and Priority pricing.

What does a typical workload cost with GPT-5 Codex?

1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $7.50 with GPT-5 Codex at its lowest rates. Use the calculator on this page for your own volumes.

Where can I use GPT-5 Codex?

GPT-5 Codex is available through OpenAI, from $1.25 per million input tokens.

What is GPT-5 Codex's context window?

GPT-5 Codex has a context window of 400,000 tokens, and returns up to 128,000 tokens in a single response.

Is GPT-5 Codex still available?

GPT-5 Codex is deprecated and was retired on 23 July 2026. The replacement is GPT-5.6 Sol.