9 models
Ranked by SWE-Atlas Test Writing
Reasoning Tools JSON 44.4

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
42 providers
Reasoning Tools JSON 42.6

Default frontier GPT for coding, computer use, research, and knowledge work

openai/gpt-5.5 2026-04-23 1.05M context $5/M input $30/M output
46 providers
Reasoning Tools 36.7

High-end Claude for difficult coding, planning, and slower expert reasoning

anthropic/claude-opus-4-6 2026-02-05 1M context $5/M input $25/M output
37 providers
Reasoning Tools 31.8

Claude workhorse for coding agents, careful analysis, and production cost control

anthropic/claude-sonnet-4-6 2026-02-17 1M context $3/M input $15/M output
45 providers
Reasoning Tools JSON 30.3

New Gemini flash lane bringing frontier-style multimodal reasoning to cheaper runs

google/gemini-3-flash-preview 2025-12-17 1.04858M context $0.5/M input $3/M output
25 providers
Reasoning Tools JSON 29.8

Reasoning-first Gemini preview for agentic coding and complex problem solving

google/gemini-3.1-pro-preview 2026-02-19 1.04858M context $2/M input $12/M output
31 providers
Reasoning Tools Open weights 28.7

General GLM flagship for coding, analysis, and tool-heavy engineering workflows

zhipuai/glm-5 2026-02-12 204.8K context $1/M input $3.2/M output
37 providers
Tools Open weights 25.8

Earlier Kimi frontier model for long-context agents, coding, and multimodal work

moonshotai/kimi-k2.5 2026-01 262.144K context $0.3/M input $1.9/M output
46 providers
Reasoning Tools Open weights 18.6

Prior MiniMax coding model for agent workflows, office edits, and automation

minimax/MiniMax-M2.5 2026-02-12 204.8K context $0.3/M input $1.2/M output
35 providers