3 models
Ranked by DeepSWE
Reasoning Tools JSON Open weights 67.5

Multimodal Kimi model with 1M context and toggleable max-effort thinking for long-horizon agent work

moonshotai/kimi-k3 2026-07-16 1.04858M context $3/M input $15/M output
63 providers
Reasoning Tools JSON 67.2

Cost-efficient GPT-5.6 model for fast, high-volume workloads

openai/gpt-5.6-luna 2026-07-09 1.05M context $0.2/M input $1.2/M output
36 providers
Reasoning Tools JSON 62.0

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

xai/grok-4.5 2026-07-08 500K context $2/M input $6/M output
26 providers