3 models
Ranked by Design Arena: codecategories
Reasoning Tools JSON 1358.0

Near-Astra performance for complex coding, computer use, and professional work at a lower cost.

openai/gpt-6.1-sol 2026-09-29 1.05M context $2/M input $10/M output
32 providers
Reasoning Tools JSON 1259.0

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
50 providers
Reasoning Tools JSON 1018.0

Deliberate o-series reasoner for hard math, coding, and multi-step analysis

openai/o3 2025-04-16 200K context $2/M input $8/M output
23 providers