GPT-5 Codex
GPT-5 Codex is OpenAI's language model with a 400K context window and up to 128K output tokens, available from 4 providers, starting at $1.25 / 1M input and $10.00 / 1M output. A GPT-5 variant optimized for agentic coding tasks in Codex environments, available via the Responses API with regularly updated snapshots.
OpenAI's language model with a 400K context window and up to 128K output tokens, available from 4 providers, starting at $1.25 / 1M input and $10.00 / 1M output. A GPT-5 variant optimized for agentic coding tasks in Codex environments, available via the Responses API with regularly updated snapshots.openai-gpt-5-codex |
| Language |
| Active |
| OpenAI |
| 400K tokens |
| 128K tokens |
| ImagePdfText |
| Text |
| defaultminimal |
| · 8 months ago |
44.6#37 |
38.9#42 |
98.7#2 |
0.9#16 |
0.8#61 |
0.3#36 |
0.8#17 |
0.7#28 |
5.98s#424 |
0.4#69 |
1.0#2 |
0.7#25 |
0.4#35 |
0.9#64 |
165.3#45 |
Capabilities
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Output1/5
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Capabilities7/13
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Pricing by Provider
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
 Azure AI Foundry | $1.25 | $10.00 | $0.125 |
OpenAI | $1.25 | $10.00 | $0.125 |
 OpenRouter | $1.25 | $10.00 | $0.125 |
 Vercel AI Gateway | $1.25 | $10.00 | $0.125 |
Regional pricing
Provider-specific pricing that varies by region.
Azure AI Foundry
13 regions
| Region | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
| Global | |||
| Global | $1.25 | $10.00 | $0.125 |
| Europe | |||
| France Central (Paris)/ francecentral | $0.138 | — | — |
| Germany West Central (Frankfurt)/ germanywestcentral | $0.138 | — | — |
| Poland Central (Warsaw)/ polandcentral | $0.138 | — | — |
| Spain Central (Madrid)/ spaincentral | $0.138 | — | — |
| Sweden Central (Gävle)/ swedencentral | $0.138 | — | — |
| West Europe (Netherlands)/ westeurope | $0.138 | — | — |
| US | |||
| East US (Virginia)/ eastus | $0.138 | — | — |
| East US 2 (Virginia)/ eastus2 | $0.138 | — | — |
| North Central US (Illinois)/ northcentralus | $0.138 | — | — |
| South Central US (Texas)/ southcentralus | $0.138 | — | — |
| West US (California)/ westus | $0.138 | — | — |
| West US 3 (Phoenix)/ westus3 | $0.138 | — | — |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-5 Mini Image | 400K | $2.50 | $2.00 | Available | |
| GPT-5 Image | 400K | $10.00 | $10.00 | Available | |
| GPT-5 Pro | 400K | $15.00 | $120.00 | Available | |
| GPT-5 Codex | 400K | $1.25 | $10.00 | Current | |
| GPT-5 | 410K | $1.25 | $10.00 | Available | |
| GPT-5 Chat | 128K | $1.25 | $10.00 | Available | |
| GPT-5 Mini | 400K | $0.250 | $2.00 | Available | |
| GPT-5 Nano | 400K | $0.050 | $0.400 | Available | |
| GPT-5 ChatGPT | — | — | — | — | Available |
| GPT-5 Low | — | — | — | — | Available |
| GPT-5 Medium | — | — | — | — | Available |