4 models
Ranked by GPQA Diamond
Reasoning Tools JSON Open weights 91.2

Open flagship GLM for long-horizon coding agents and million-token context work

zhipuai/glm-5.2 2026-06-13 1M context $1.195/M input $4.183/M output
81 providers
Reasoning Tools JSON Open weights 90.9

DeepSeek V4.1 Flash model for reasoning and agentic coding

deepseek/deepseek-v4.1-flash 2026-09-10 1M context $0.02/M input $1/M output
70 providers
Reasoning Tools JSON Open weights 90.1

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

deepseek/deepseek-v4-pro 2026-04-24 1M context $0.66/M input $1.98/M output
71 providers
Reasoning Tools JSON Open weights 89.2

Dense 27B vision-language model for coding, agent tasks, and image and video understanding

alibaba/qwen3.8-27b 2026-08-14 262.144K context $0.04/M input $1.35/M output
46 providers