4 models
Ranked by GPQA Diamond
Reasoning Tools JSON 94.2

Stronger Opus tier for advanced software work and high-stakes reasoning

anthropic/claude-opus-4-7 2026-04-16 1M context $5/M input $25/M output
44 providers
Reasoning Tools JSON 92.8

Agent-ready GPT for coding and computer-use workflows at a lower cost

openai/gpt-5.4 2026-03-05 1.05M context $2.5/M input $15/M output
46 providers
Reasoning Tools Open weights 90.1

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

deepseek/deepseek-v4-pro 2026-04-24 1M context $0.66/M input $1.98/M output
71 providers
Reasoning Tools JSON Open weights 88.1

Fast DeepSeek V4 lane for economical reasoning, coding, and long-context work

deepseek/deepseek-v4-flash 2026-04-24 1M context $0.15/M input $0.6/M output
68 providers