OpenAI GPT-6.1 Sol Pro vs Claude Sonnet 5.5
Side-by-side benchmark differential across coding SWE-bench, human battle Arena ELO, throughput, and API token spend.
OpenAI GPT-6.1 Sol Pro
OpenAI
- 🏆 Arena Elo: 1420 pts
- 💻 SWE-bench: 98.8/100
- 🤖 Agentic: 97.5/100
- 💵 Input: $2.00/1M
- 💵 Output: $8.00/1M
Claude Sonnet 5.5
Anthropic
- 🏆 Arena Elo: 1415 pts
- 💻 SWE-bench: 98.5/100
- 🤖 Agentic: 98/100
- 💵 Input: $2.00/1M
- 💵 Output: $10.00/1M