4 models
Ranked by Agents' Last Exam
Reasoning Tools JSON 59.3

GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.

openai/gpt-6-astra 2026-09-04 1.05M context $10/M input $50/M output
35 providers
Reasoning Tools JSON 56.4

OpenAI model for complex coding and agentic workflows

openai/gpt-6-sol 2026-09-22 1.05M context $2/M input $10/M output
33 providers
Reasoning Tools Open weights 31.8

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 Open weights 26.3

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
65 providers