All Models

GPT-5.3-Codex

gpt-codex Reasoning Tool Calling Attachments Structured Output

GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...

Providers 23
Released Feb 5, 2026
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Benchmarks

44.3
Intelligence Index

Available Providers (23)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Poe openai/gpt-5.3-codex $1.60/MTok $13/MTok 400K 128K
Requesty openai/gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
Vercel AI Gateway openai/gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
Vivgrid gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
DigitalOcean openai-gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
ZenMux openai/gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
OpenAI gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
OrcaRouter openai/gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
LLM Gateway gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
Abacus gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
Cloudflare AI Gateway openai/gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
Azure gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
FreeModel gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
OpenCode Zen gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
Kilo Gateway openai/gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
FrogBot gpt-5-3-codex $1.75/MTok $14/MTok 400K 128K
OpenRouter openai/gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
FastRouter openai/gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
Azure Cognitive Services gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
AIHubMix gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
NanoGPT openai/gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
GitHub Copilot gpt-5.3-codex $1.75/MTok $14/MTok 400K 128K
Venice AI openai-gpt-53-codex $2.19/MTok $17.50/MTok 400K 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output