OpenAI
GPT-5.3 Codex
Canonical ID:
openai/gpt-5.3-codex
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Overview
- Provider
-
OpenAI
- Family
- gpt-5.3-codex
- Release date
- 2026-02-05
- Last updated
- 2026-02-05
- Input modalities
- text, image, pdf
- Output modalities
- text
Pricing and Limits
Token pricing
- Input
- $1.75/1M
- Output
- $14/1M
- Cached input
- N/A
Context and output
- Context window
- 400,000
- Max output tokens
- 128,000
- Qualified ID
- openai/gpt-5.3-codex
Model Summary
GPT-5.3 Codex is a model listing in the OpenAI provider catalog. It is categorized under the gpt-5.3-codex family.
The model supports text, image, pdf modalities across input/output paths. Reported context capacity is 400,000. Pricing is listed at $1.75/1M input and $14/1M output.
More From OpenAI
Related models from the same provider catalog.
OpenAI
babbage-002
openai/babbage-002
OpenAI
chatgpt-4o-latest
openai/chatgpt-4o-latest
OpenAI
chatgpt-image-latest
openai/chatgpt-image-latest
OpenAI
computer-use-preview
openai/computer-use-preview
OpenAI
computer-use-preview-2025-03-11
openai/computer-use-preview-2025-03-11
OpenAI
DALL-E 2
openai/dall-e-2
OpenAI
DALL-E 3
openai/dall-e-3
OpenAI
davinci-002
openai/davinci-002
Same Family: gpt-5.3-codex
Comparable models in the same family across providers.
| Model | Provider | Context | Input | Output | Flags |
|---|---|---|---|---|---|
|
GPT 5.3 Codex
vercel/openai/gpt-5.3-codex
|
Vercel AI Gateway
|
400,000 | $1.75/1M | $14/1M |
Reasoning
Tools
|
|
GPT-5.3 Codex
azure/gpt-5.3-codex
|
Azure
|
400,000 | $1.75/1M | $14/1M |
Reasoning
Tools
|
|
GPT-5.3 Codex
cloudflare_ai_gateway/openai/gpt-5.3-codex
|
Cloudflare AI Gateway
|
400,000 | $1.75/1M | $14/1M |
Reasoning
Tools
|
|
GPT-5.3 Codex
azure_cognitive_services/gpt-5.3-codex
|
Azure Cognitive Services
|
400,000 | $1.75/1M | $14/1M |
Reasoning
Tools
|
|
GPT-5.3 Codex
opencode/gpt-5.3-codex
|
OpenCode Zen
|
400,000 | $1.75/1M | $14/1M |
Reasoning
Tools
|
|
GPT-5.3 Codex
zenmux/openai/gpt-5.3-codex
|
Zenmux
|
400,000 | $1.75/1M | $14/1M |
Reasoning
Tools
|
|
GPT-5.3 Codex
abacus/gpt-5.3-codex
|
Abacus
|
400,000 | $1.75/1M | $14/1M |
Reasoning
Tools
|
|
GPT-5.3-Codex
github_copilot/gpt-5.3-codex
|
GitHub Copilot
|
400,000 | $0/1M | $0/1M |
Reasoning
Tools
|
|
GPT-5.3-Codex
poe/openai/gpt-5.3-codex
|
Poe
|
400,000 | $1.6/1M | $13/1M |
Reasoning
Tools
|
|
OpenAI: GPT-5.3-Codex
openrouter/openai/gpt-5.3-codex
|
OpenRouter
|
400,000 | $1.75/1M | $14/1M |
Tools
|