Monday, October 5, 2026 · No. 435Prices synced 13 hours ago
All·AI·Model

The AI Model Price Index

Agentic Chat (GPT-5 Codex)

by GitLab Duo · family gpt-codex · listed Jan 2026RTV

Coding-optimized GPT model for repository edits, reviews, and agentic software work

Current rates USD per 1M tokens

Inputfree
Outputfree
Cache read—
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
Agentic Chat (GPT-5 Codex)Agentic Chat (GPT-5 Codex): free per 1M tokensfreeDeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.15 per 1M tokens$0.15Qwen3.8 Omni FlashQwen3.8 Omni Flash: $0.15 per 1M tokens$0.15Gemini 3.8 FlashGemini 3.8 Flash: $0.75 per 1M tokens$0.75GLM-5.3GLM-5.3: $1.40 per 1M tokens$1.40Claude Sonnet 5.5Claude Sonnet 5.5: $2.00 per 1M tokens$2.00GPT-6.1 SolGPT-6.1 Sol: $2.00 per 1M tokens$2.00Grok 4.7Grok 4.7: $2.00 per 1M tokens$2.00
Output price vs. maker flagships ($/1M tokens)
Agentic Chat (GPT-5 Codex)Agentic Chat (GPT-5 Codex): free per 1M tokensfreeQwen3.8 Omni FlashQwen3.8 Omni Flash: $0.47 per 1M tokens$0.47DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.60 per 1M tokens$0.60Gemini 3.8 FlashGemini 3.8 Flash: $3.75 per 1M tokens$3.75GLM-5.3GLM-5.3: $4.40 per 1M tokens$4.40Grok 4.7Grok 4.7: $6.00 per 1M tokens$6.00Claude Sonnet 5.5Claude Sonnet 5.5: $10.00 per 1M tokens$10.00GPT-6.1 SolGPT-6.1 Sol: $10.00 per 1M tokens$10.00

On the record

Model id
duo-chat-gpt-5-codex
Context window
400K tokens
Max output
128K tokens
Input modalities
text, image
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
Sep 2024
Released
2026-01-22
Last updated
2026-01-22
Provider docs
docs.gitlab.com/user/duo_agent_platform/

Back of the envelope

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