Model Showdowns & Comparisons

Each comparison is built from sourced data (arena.ai, list prices, public leaderboards). Data checked 2026-10-11.

• Claude vs ChatGPT (Opus 5.5 vs GPT-6 Astra)

  On the arena.ai text leaderboard, Claude Opus 5.5 scores 1507 (±8, #2) and GPT-6 Astra scores 1475 (±7, #35). Claude Opus 5.5 leads by 32 points, outside the margin of error. Claude Opus 5.5: $4.00 input / $20.00 output per 1M tokens. GPT-6 Astra: $10.00 / $50…

• Claude Opus 5.5 vs GPT-6.1 Sol

  On the arena.ai text leaderboard, Claude Opus 5.5 scores 1507 (±8, #2) and GPT-6.1 Sol scores 1484 (±9, #21). Claude Opus 5.5 leads by 23 points, outside the margin of error. Claude Opus 5.5: $4.00 input / $20.00 output per 1M tokens. GPT-6.1 Sol: $2.00 / $10.…

• Gemini 3.1 Pro vs GPT-6 Astra

  On the arena.ai text leaderboard, Gemini 3.1 Pro scores 1487 (±3, #17) and GPT-6 Astra scores 1475 (±7, #35). Gemini 3.1 Pro leads by 12 points, outside the margin of error. Gemini 3.1 Pro: $2.00 input / $12.00 output per 1M tokens. GPT-6 Astra: $10.00 / $50.0…

• Claude Opus 5.5 vs Gemini 3.1 Pro

  On the arena.ai text leaderboard, Claude Opus 5.5 scores 1507 (±8, #2) and Gemini 3.1 Pro scores 1487 (±3, #17). Claude Opus 5.5 leads by 20 points, outside the margin of error. Claude Opus 5.5: $4.00 input / $20.00 output per 1M tokens. Gemini 3.1 Pro: $2.00 …

• Grok 4.7 vs GPT-6 Astra

  On the arena.ai text leaderboard, Grok 4.7 scores 1443 (±7, #90) and GPT-6 Astra scores 1475 (±7, #35). GPT-6 Astra leads by 32 points, outside the margin of error. Grok 4.7: $2.00 input / $6.00 output per 1M tokens. GPT-6 Astra: $10.00 / $50.00. Blended at 3 …

• Grok 4.7 vs Claude Opus 5.5

  On the arena.ai text leaderboard, Grok 4.7 scores 1443 (±7, #90) and Claude Opus 5.5 scores 1507 (±8, #2). Claude Opus 5.5 leads by 64 points, outside the margin of error. Grok 4.7: $2.00 input / $6.00 output per 1M tokens. Claude Opus 5.5: $4.00 / $20.00. Ble…

• DeepSeek-V4.1-Flash vs GPT-6 Sol

  On the arena.ai text leaderboard, DeepSeek-V4.1-Flash scores 1475 (±7, #39) and GPT-6 Sol scores 1456 (±7, #67). DeepSeek-V4.1-Flash leads by 19 points, outside the margin of error. DeepSeek-V4.1-Flash: $0.010 input / $0.684 output per 1M tokens. GPT-6 Sol: $2…

• DeepSeek-V4-Pro-0813 vs Claude Opus 5.5

  On the arena.ai text leaderboard, DeepSeek-V4-Pro-0813 scores 1465 (±7, #55) and Claude Opus 5.5 scores 1507 (±8, #2). Claude Opus 5.5 leads by 42 points, outside the margin of error. DeepSeek-V4-Pro-0813: $1.32 input / $3.96 output per 1M tokens. Claude Opus …

• Claude Opus 5.5 vs Claude Sonnet 5.5

  On the arena.ai text leaderboard, Claude Opus 5.5 scores 1507 (±8, #2) and Claude Sonnet 5.5 scores 1476 (±9, #32). Claude Opus 5.5 leads by 31 points, outside the margin of error. Claude Opus 5.5: $4.00 input / $20.00 output per 1M tokens. Claude Sonnet 5.5: …

• Mistral Large 3 vs Qwen3.5-397B-A17B

  On the arena.ai text leaderboard, Mistral Large 3 scores 1414 (±3, #143) and Qwen3.5-397B-A17B scores 1442 (±3, #92). Qwen3.5-397B-A17B leads by 28 points, outside the margin of error. Mistral Large 3: $0.50 input / $1.50 output per 1M tokens. Qwen3.5-397B-A17…