GitLab Duogpt-codexAgentic Chat (GPT-5 Codex)duo-chat-gpt-5-codexGitLab DuoReleased Jan 22, 2026400,000 token context windowSubscription plan pricingReasoningTool callingStructured outputInputtextimageOutputtext
NanoGPTgpt-codexGPT-5 Codexopenai/gpt-5-codexNanoGPTReleased Sep 15, 2025256,000 token context windowIn $9.996 · Out $19.992InputtextOutputtext
OpenCode Zengpt-codexGPT-5 Codexgpt-5-codexOpenCode ZenReleased Sep 15, 2025400,000 token context windowIn $1.07 · Out $8.50ReasoningTool callingStructured outputAttachmentsInputtextimageOutputtext
OpenRoutergpt-codexGPT-5 Codexopenai/gpt-5-codexOpenRouterReleased Sep 15, 2025400,000 token context windowIn $1.25 · Out $10.00ReasoningTool callingStructured outputAttachmentsTemp controlsInputtextimageOutputtext
Requestygpt-codexGPT-5 Codexopenai/gpt-5-codexRequestyReleased Sep 15, 2025400,000 token context windowIn $1.25 · Out $10.00ReasoningTool callingStructured outputAttachmentsTemp controlsInputtextimageOutputtext
Heliconegpt-codexOpenAI: GPT-5 Codexgpt-5-codexHeliconeReleased Jan 1, 2025400,000 token context windowIn $1.25 · Out $10.00Tool callingInputtextOutputtext