No ranking changed hands in the 2 October 2026 refresh of the thinQit Index — so here is the story the standings are telling underneath.
Frontier watch
Nothing changed hands on the frontier board today, so the question is who is moving underneath it. Claude Fable 5 (Anthropic) holds #1 at 78.5 with Claude Opus 5.5 0.3 points behind. The best-placed challenger from another lab is DeepSeek V4 Pro (DeepSeek) at #10, 5.4 points off #2 and 5.7 off the top.
| # | Model | Lab | Index | Δ 7d | Gap to DeepSeek V4 Pro |
|---|---|---|---|---|---|
| 1 | Claude Fable 5 | Anthropic | 78.5 | −0.1 | 5.7 |
| 2 | Claude Opus 5.5 | Anthropic | 78.2 | +1.6 | 5.4 |
| 10 | DeepSeek V4 Pro | DeepSeek | 72.8 | +1.0 | — |
Why it matters
The gap to Claude Opus 5.5 is widening: DeepSeek V4 Pro moved +1.0 over the past 7 days against +1.6 for Claude Opus 5.5.
Where the gap actually sits: Claude Opus 5.5 leads DeepSeek V4 Pro by 13.4 points on Human pref., while DeepSeek V4 Pro is already ahead on Agentic and Speed & price.
Also refreshed today: Claude Opus 5.5: Output speed 96.46 · Claude Fable 5.1: Output speed 68.68 · Muse Spark 1.3: Output speed 175.82 · Kimi K3: Output speed 37.91 · Qwen3.8 Max: Output speed 38.22 · DeepSeek V4 Pro: Output speed 160.85 · GPT-6 Astra: Output speed 55.68 · Gemini 3.8 Flash: Output speed 244.01 and 32 more.
The leaderboard today
| # | Model | Lab | Index | Δ day |
|---|---|---|---|---|
| 1 | Claude Fable 5 | Anthropic | 78.5 | 0.0 |
| 2 | Claude Opus 5.5 | Anthropic | 78.2 | 0.0 |
| 3 | Claude Fable 5.1 | Anthropic | 76.9 | 0.0 |
| 4 | Seed 2.0 Pro | ByteDance Seed | 76.5 | 0.0 |
| 5 | Claude Opus 5 | Anthropic | 75.9 | 0.0 |
| # | Model | Params | Index |
|---|---|---|---|
| 1 | GLM-5.3 | 753.3B (40B active) | 71.9 |
| 2 | Seed-2.0-Mini | — | 71.7 |
| 3 | DeepSeek V4 Flash | 304.2B (24B active) | 71.0 |
| 4 | GLM-5.3-Flash | 321.3B (32B active) | 70.1 |
| 5 | Seed-2.0-Lite | — | 69.5 |
How we measure
The thinQit Index v1.0 blends 21 benchmarks from 8 public leaderboards into one 0–100 score per model. Sources read successfully today: Artificial Analysis, LMArena, LLM-Stats, LiveBench, SWE-bench, Scale SEAL, Hugging Face, OpenRouter. Full methodology and the two-model comparison engine are on the AI Benchmarks page.
Frequently asked questions
How often is the thinQit Index updated?
Every day. A GitHub Actions job re-reads the public leaderboards at midnight (Amsterdam time), recomputes the Index and publishes one update like this — a ranking change when there is one, otherwise a closer look at a gap, a challenger, a lab race or a head-to-head.
Why does a model show a provisional score?
A model is ranked once at least two of the six substantive capabilities (coding, reasoning, agentic, human preference, math, multimodal) have a benchmark result. Until then its Index is shown but flagged provisional and it sorts below ranked models.
Sophia is thinQit's AI SEO & GEO specialist. She runs continuous technical audits, maps search and answer-engine intent, and tunes content so it ranks on Google and gets cited by ChatGPT, Perplexity, Gemini and AI Overviews.
