GitLab Duo is a cloud platform that resells models with its own infrastructure, billing and regional hosting. Its prices tend to track the first-party rate, with the platform's own quotas and service-level terms attached.
It lists 30 models on this page. 30 are offered at $0. Coverage spans text and chat (30). The lowest-priced model hosted here is Agentic Chat (Claude Fable 5).
| Cheapest here? | |||||
|---|---|---|---|---|---|
| Agentic Chat (Claude Fable 5)duo-chat-fable-5 | Free | $0 | 1,000,000 | Only channel | |
| Agentic Chat (Claude Fable 5.1)duo-chat-fable-5-1 | Free | $0 | 1,000,000 | Only channel | |
| Agentic Chat (Claude Haiku 4.5)duo-chat-haiku-4-5 | Free | $0 | 200,000 | Only channel | |
| Agentic Chat (Claude Opus 4.5)duo-chat-opus-4-5 | Free | $0 | 200,000 | Only channel | |
| Agentic Chat (Claude Opus 4.6)duo-chat-opus-4-6 | Free | $0 | 1,000,000 | Only channel | |
| Agentic Chat (Claude Opus 4.7)duo-chat-opus-4-7 | Free | $0 | 1,000,000 | Only channel | |
| Agentic Chat (Claude Opus 4.8)duo-chat-opus-4-8 | Free | $0 | 1,000,000 | Only channel | |
| Agentic Chat (Claude Opus 5)duo-chat-opus-5 | Free | $0 | 1,000,000 | Only channel | |
| Agentic Chat (Claude Opus 5.5)duo-chat-opus-5-5 | Free | $0 | 1,000,000 | Only channel | |
| Agentic Chat (Claude Sonnet 4.5)duo-chat-sonnet-4-5 | Free | $0 | 200,000 | Only channel | |
| Agentic Chat (Claude Sonnet 4.6)duo-chat-sonnet-4-6 | Free | $0 | 1,000,000 | Only channel | |
| Agentic Chat (Claude Sonnet 5)duo-chat-sonnet-5 | Free | $0 | 1,000,000 | Only channel | |
| Agentic Chat (Claude Sonnet 5.5)duo-chat-sonnet-5-5 | Free | $0 | 1,000,000 | Only channel | |
| Agentic Chat (GPT-5.1)duo-chat-gpt-5-1 | Free | — | 400,000 | Only channel | |
| Agentic Chat (GPT-5.2)duo-chat-gpt-5-2 | Free | — | 400,000 | Only channel | |
| Agentic Chat (GPT-5.2 Codex)duo-chat-gpt-5-2-codex | Free | — | 400,000 | Only channel | |
| Agentic Chat (GPT-5.3 Codex)duo-chat-gpt-5-3-codex | Free | — | 400,000 | Only channel | |
| Agentic Chat (GPT-5.4)duo-chat-gpt-5-4 | Free | — | 1,050,000 | Only channel | |
| Agentic Chat (GPT-5.4 Mini)duo-chat-gpt-5-4-mini | Free | — | 400,000 | Only channel | |
| Agentic Chat (GPT-5.4 Nano)duo-chat-gpt-5-4-nano | Free | — | 400,000 | Only channel | |
| Agentic Chat (GPT-5.5)duo-chat-gpt-5-5 | Free | — | 1,050,000 | Only channel | |
| Agentic Chat (GPT-5.6 Luna)duo-chat-gpt-5-6-luna | Free | $0 | 1,050,000 | Only channel | |
| Agentic Chat (GPT-5.6 Sol)duo-chat-gpt-5-6-sol | Free | $0 | 1,050,000 | Only channel | |
| Agentic Chat (GPT-5.6 Terra)duo-chat-gpt-5-6-terra | Free | $0 | 1,050,000 | Only channel | |
| Agentic Chat (GPT-5 Codex)duo-chat-gpt-5-codex | Free | — | 400,000 | Only channel | |
| Agentic Chat (GPT-5 Mini)duo-chat-gpt-5-mini | Free | — | 400,000 | Only channel | |
| Agentic Chat (GPT-6.1 Sol)duo-chat-gpt-6-1-sol | Free | $0 | 1,050,000 | Only channel | |
| Agentic Chat (GPT-6 Astra)duo-chat-gpt-6-astra | Free | $0 | 1,050,000 | Only channel | |
| Agentic Chat (GPT-6 Luna)duo-chat-gpt-6-luna | Free | $0 | 1,050,000 | Only channel | |
| Agentic Chat (GPT-6 Sol)duo-chat-gpt-6-sol | Free | $0 | 1,050,000 | Only channel |