2 models
Ranked by Terminal-Bench 4.0
Reasoning Tools Open weights 31.2

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 20.3

xAI's frontier model for long-running agents, coding, knowledge work, and visual projects

xai/grok-4.6 2026-08-12 500K context $2/M input $6/M output
34 providers