Model catalog

GPT-5.3 Codex SparkOpenAI

GPT-5.3 Codex Spark accepts text, images, PDFs and returns text. The canonical context window is 128,000 tokens. The canonical maximum output is 32,000 tokens.

GPT-5.2OpenAI

GPT-5.2 accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5.2 ChatOpenAI

GPT-5.2 Chat accepts text, images and returns text. The canonical context window is 128,000 tokens. The canonical maximum output is 16,384 tokens.

GPT-5.2 CodexOpenAI

GPT-5.2 Codex accepts text, images, PDFs and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5.2 ProOpenAI

GPT-5.2 Pro accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-Image-1.5OpenAI

GPT-Image-1.5 accepts text, images and returns text, images.

GPT-5.1OpenAI

GPT-5.1 accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5.1 ChatOpenAI

GPT-5.1 Chat accepts text, images and returns text. The canonical context window is 128,000 tokens. The canonical maximum output is 16,384 tokens.

GPT-5.1 CodexOpenAI

GPT-5.1 Codex accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5.1 Codex MaxOpenAI

GPT-5.1 Codex Max accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5.1 Codex miniOpenAI

GPT-5.1 Codex mini accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT OSS Safeguard 20BOpenAI

GPT OSS Safeguard 20B accepts text and returns text. The canonical context window is 131,072 tokens. The canonical maximum output is 131,072 tokens.

GPT OSS Safeguard 120BOpenAI

GPT OSS Safeguard 120B accepts text and returns text. The canonical context window is 131,072 tokens. The canonical maximum output is 32,768 tokens.

GPT-5 Image MiniOpenAI

GPT-5 Image Mini accepts PDFs, images, text and returns images, text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5 ImageOpenAI

GPT-5 Image accepts images, text, PDFs and returns images, text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5 ProOpenAI

GPT-5 Pro accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 272,000 tokens.

GPT-5-CodexOpenAI

GPT-5-Codex accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5OpenAI

GPT-5 accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5 Chat (latest)OpenAI

GPT-5 Chat (latest) accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5 MiniOpenAI

GPT-5 Mini accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT-5 NanoOpenAI

GPT-5 Nano accepts text, images and returns text. The canonical context window is 400,000 tokens. The canonical maximum output is 128,000 tokens.

GPT OSS 20BOpenAI

GPT OSS 20B accepts text and returns text. The canonical context window is 131,072 tokens. The canonical maximum output is 32,768 tokens.

GPT OSS 120BOpenAI

GPT OSS 120B accepts text and returns text. The canonical context window is 131,072 tokens. The canonical maximum output is 32,768 tokens.

o3-proOpenAI

o3-pro accepts text, images and returns text. The canonical context window is 200,000 tokens. The canonical maximum output is 100,000 tokens.