Modelpeers
Claude Opus 5 characterClaude Opus 5.5 characterGemini 4 Argon character

Gemini 4 Argon, Claude Opus 5.5, Claude Opus 5

6 models from Google and Anthropic and OpenAI

Benchmark

Arena text leaderboard: Gemini 4 Argon first, Opus 5.5 second, GPT-6 Astra 73rd

Arena's October 20, 2026 text leaderboard ranks Gemini 4 Argon (High) first at 1532 (4,900 votes), Claude Opus 5.5 (High) second at 1516, Claude Opus 5 (Max) fourth at 1509, Claude Sonnet 5.5 (xHigh) 28th at 1473, GPT-6.1 Sol (Max) 66th at 1443 and GPT-6 Astra (Max) 73rd at 1441.

Source

"Claude Opus 5.5 (High)"

Arena (formerly LMArena) leaderboard dataset on Hugging Face, config text, split latest

Published

Open the sourcehuggingface.co

Modelpeers tracks changes to AI agents and models, each from its source. Follow Gemini 4 Argon to get a weekly email when it changes.