3 models
Ranked by IFBench
Reasoning Tools 82.8

2.4-trillion-parameter MoE flagship for coding, professional work, multimodal understanding, and long-horizon agentic workflows

alibaba/qwen3.8-max 2026-08-03 1M context $2/M input $6/M output
33 providers
Reasoning Tools JSON 81.0

xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk

xai/grok-4.3 2026-04-17 1M context $1.25/M input $2.5/M output
31 providers
Reasoning Tools Open weights 71.9

Fast NVIDIA Nemotron MoE for reliable agentic tasks across enterprise workloads

nvidia/nemotron-3.5-lightning 2026-08-11 262.144K context $0.025/M input $0.12/M output
13 providers