Frequently Asked Questions (FAQ)
Model answers are built from sourced data checked 2026-10-11.
Which AI model scores highest right now?
Highest arena.ai text score (released models): Gemini 4 Argon (Arena 1525 (±9, #1); $2.00 / $10.00 per 1M tokens). Best score under $1 per 1M tokens: MiMo-V2.6-Pro (Arena 1480 at $0.54 blended; $0.435 / $0.87 per 1M tokens). Best open weights: Kimi K3 (Arena 1488 · Kimi K3 license; $0.339 / $15.00 per 1M tokens). Computer use (OSWorld-Verified): Claude Fable 5 (OSWorld-Verified 86.0%; $10.00 / $50.00 per 1M tokens). Highest Artificial Analysis Intelligence Index: Claude Opus 5.5 (AA Intelligence Index 57.6; $4.00 / $20.00 per 1M tokens) (data: Artificial Analysis). Data checked 2026-10-11.
Claude vs ChatGPT: what does the data say?
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 / $50.00. Blended at 3 input : 1 output, Claude Opus 5.5 costs 60% less ($8.00 vs $20.00 per 1M tokens). Context windows are about the same: Claude Opus 5.5 1M tokens, GPT-6 Astra 1.05M tokens. Both are proprietary and available only as hosted APIs. Data checked 2026-10-11.
Where do the model and benchmark numbers come from?
From public sources only: arena.ai (text leaderboard), the Artificial Analysis indexes (artificialanalysis.ai), OSWorld-Verified, swebench.com, OpenRouter's model catalog and the labs' own price pages. We save a dated copy of each source and do not run the tests ourselves. Missing values are shown as "Not disclosed" or "Not listed".
How are NextVector Signal Ratings calculated?
Signal Ratings use a 4-part formula: Architectural Novelty (30%), Empirical Benchmark Verification (30%), Practical Engineering Utility (25%), and Primary Source Reliability (15%).