3 models
Ranked by Humanity's Last Exam
Reasoning Tools JSON Open weights 63.9

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
71 providers
Reasoning Tools JSON 57.4

Fast Claude model for responsive assistance, classification, and lightweight agents

anthropic/claude-haiku-5-5 2026-10-07 1M context $0.1/M input $0.5/M output
33 providers
Reasoning Tools JSON Open weights 55.3

Native multimodal GLM model for efficient coding and long-horizon agent tasks

zhipuai/glm-5.3-flash 2026-08-26 1M context $0.12/M input $0.418/M output
66 providers