2 models
Ranked by SWE-Atlas Codebase QnA
Reasoning Tools JSON Open weights 67.8

Open MoE flagship with million-token context for coding and long agent runs

deepseek/deepseek-v4-pro 2026-04-24 1M context $0.435/M input $0.87/M output
62 providers
Reasoning Tools JSON Open weights 59.8

Multimodal Kimi workhorse for agent loops, coding tasks, and visual context

moonshotai/kimi-k2.6 2026-04-21 262.144K context $0.95/M input $4/M output
64 providers