2 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