Codex Mini
Codex Mini is OpenAI's language model with a 200K context window and up to 100K output tokens, available from 2 providers, starting at $1.50 / 1M input and $6.00 / 1M output. A fine-tuned variant of o4-mini optimized for use in Codex CLI, balancing coding capability with low latency for developer tooling.
Capabilities
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Output1/5
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Capabilities6/13
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Pricing by Provider
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
 Azure AI Foundry | $1.50 | $6.00 | $0.375 |
OpenAI | $1.50 | $6.00 | $0.375 |
Provider-specific pricing that varies by region.
Azure AI Foundry
14 regions
| Region | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
| Global | |||
| Global | $1.50 | $6.00 | $0.375 |
| Europe | |||
| France Central (Paris)/ francecentral | $0.413 | β | β |
| Germany West Central (Frankfurt)/ germanywestcentral | $0.413 | β | β |
| Poland Central (Warsaw)/ polandcentral | $1.65 | β | β |
| Spain Central (Madrid)/ spaincentral | $0.413 | β | β |
| Sweden Central (GΓ€vle)/ swedencentral | $1.65 | β | β |
| West Europe (Netherlands)/ westeurope | $0.413 | β | β |
| US | |||
| Central US (Iowa)/ centralus | $1.65 | β | β |
| East US (Virginia)/ eastus | $0.413 | β | β |
| East US 2 (Virginia)/ eastus2 | $0.413 | β | β |
| North Central US (Illinois)/ northcentralus | $1.65 | β | β |
| South Central US (Texas)/ southcentralus | $0.413 | β | β |
| West US (California)/ westus | $0.413 | β | β |
| West US 3 (Phoenix)/ westus3 | $0.413 | β | β |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Codex 5.1 Mini | β | β | β | β | Available |
| Codex Mini | β | 200K | $1.50 | $6.00 | Current |
Other models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| Codex 5.1 | β | β | β | β | β |
| Codex 5.1 Max | β | β | β | β | β |
| Codex 5.2 | β | β | β | β | β |
| Codex 5.3 | β | β | β | β | β |