Vercel AI GatewaygptGPT-5.3 Chatopenai/gpt-5.3-chatVercel AI GatewayReleased Mar 3, 2026128,000 token context windowIn $1.75 · Out $14.00ReasoningTool callingAttachmentsTemp controlsInputtextimagepdfOutputtext
OpenRoutergptGPT-5.3 Chatopenai/gpt-5.3-chatOpenRouterReleased Mar 3, 2026128,000 token context windowIn $1.75 · Out $14.00Tool callingStructured outputAttachmentsInputtextimagepdfOutputtext
LLM GatewaygptGPT-5.3 Chat (latest)gpt-5.3-chat-latestLLM GatewayReleased Mar 3, 2026128,000 token context windowIn $1.75 · Out $14.00Tool callingStructured outputAttachmentsTemp controlsInputtextimageOutputtext
OpenAIgptGPT-5.3 Chat (latest)gpt-5.3-chat-latestOpenAIReleased Mar 3, 2026128,000 token context windowIn $1.75 · Out $14.00Tool callingStructured outputAttachmentsTemp controlsInputtextimageOutputtext
OrcaRoutergptGPT-5.3 Chat (latest)openai/gpt-5.3-chat-latestOrcaRouterReleased Mar 3, 2026128,000 token context windowIn $1.75 · Out $14.00Tool callingStructured outputAttachmentsTemp controlsInputtextimageOutputtext
Merge GatewaygptGPT-5.3 Chat (latest)openai/gpt-5.3-chat-latestMerge GatewayReleased Mar 3, 2026128,000 token context windowIn $1.75 · Out $14.00Tool callingStructured outputAttachmentsTemp controlsInputtextimageOutputtext
AbacusgptGPT-5.3 Chat Latestgpt-5.3-chat-latestAbacusReleased Mar 1, 2026400,000 token context windowIn $1.75 · Out $14.00ReasoningTool callingAttachmentsTemp controlsInputtextimageOutputtext