4 models
Ranked by SWE-Bench Pro
Reasoning Tools JSON 62.7

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 Open weights 62.1

Open flagship GLM for long-horizon coding agents and million-token context work

zhipuai/glm-5.2 2026-06-13 1M context $1.4/M input $4.4/M output
72 providers
Reasoning Tools 59.5

Meituan LongCat-2.0, a reasoning model with tool calling and a 1M-token context window

meituan/longcat-2.0 2026-06-30 1M context $0.3/M input $1.2/M output
5 providers
Reasoning Tools JSON Open weights 18.0

Open MoE flagship with million-token context for coding and long agent runs

deepseek/deepseek-v4-pro 2026-04-24 1M context $0.435/M input $0.87/M output
62 providers