DeepSeek R1

DeepSeek · Open-weight · R1

Reasoning-specialised variant of DeepSeek V3 with chain-of-thought.

Status: active
Release date: 2025-12-01
Parameters: 671B
Context window: 128K
Modalities: text,code
Capabilities recorded: tool use, API, local use
Last verified: 2026-07-20

Reviewed use cases

complex math
competitive coding
reasoning

Recorded limitations

MoE + reasoning adds inference cost

Pricing is omitted until provider-model pricing rows have their own completed review and publication state.