# Anthropic led AI benchmarks in Mathematics, coding and agents

*Science. 72% certain. Sunday, 1 November 2026*

> Speculative fiction assembled from prediction-market prices. This has not happened.

**The Lab also kept its services below a $400 monthly price point.**

On Sunday, Anthropic emerged as the top AI Lab in the latest LiveBench Mathematics test, Code Arena WebDev competition, and AI Agent evaluation. The Lab also secured the position of Second-best Overall AI Lab at the end of October. It chose not to introduce a premium pricing tier above $400 per month before November.

LiveBench, which measures mathematical reasoning, recorded Anthropic's model as the best performer on 31 October, surpassing Microsoft and Mistral. The result was confirmed on Saturday, 31 October. The ranking reflected performance across a suite of challenging problems.

In the Code Arena WebDev track, Anthropic's model topped the leaderboard on 1 November, beating OpenAI, Meta and Google. The competition evaluated Code generation quality for web development tasks.

The AI Agent benchmark also named Anthropic as the best on 1 November, leaving OpenAI, Google and Meta in lower positions. Google's attempt to match Anthropic's evaluator commitment had not succeeded by 31 October.

Across the suite of tests, Anthropic consistently outperformed competitors, confirming its lead in multiple domains. The Lab's decision to forgo a $400-plus monthly tier kept its pricing structure unchanged through early November.

## Analysis

Anthropic's dominance across three distinct benchmark categories signals a broad technical advantage that could attract both enterprise users and research collaborators seeking state-of-the-art capabilities.

By opting against a premium $400-plus tier, Anthropic retains a more accessible price point, which may pressure rivals that rely on higher-priced offerings to monetize advanced features.

The lag shown by Google, Microsoft, OpenAI, Meta and other firms suggests they may need to intensify model development or evaluation commitments to close the gap, potentially reshaping investment priorities in the sector.

Future performance will depend on whether Anthropic can sustain its lead amid rapid advances from competitors; the industry will watch upcoming benchmark cycles for signs of shifting rankings or new pricing strategies.

### Background consulted for the analysis

- [Which company has the best AI model on LiveBench (Mathematics) end of October? Odds: Anthropic 63.5% | Poly…](https://polymarkettrader.com/odds/which-company-has-the-best-ai-model-on-livebench-mathematics-end-of-october/)
- [AI Model Leaderboard October 2026 — LMSys Arena, LLM, Image & Coding Rankings | Swfte](https://www.swfte.com/ai/leaderboard)
- [Best LLMs for Math — October 2026 Leaderboard | BenchLM.ai](https://benchlm.ai/math)
- [Best AI Models in October 2026: Updated Rankings and Comparisons](https://felloai.com/best-ai-models/)

## What this was built from

- **Which company has the best Code Arena WebDev AI model end of October?**: Anthropic, 90%; settles Sunday, 1 November 2026 (polymarket). [Market](https://polymarket.com/event/which-company-has-the-best-code-arena-webdev-ai-model-end-of-october)
- **Which company has the best AI Agent end of October?**: Anthropic, 89%; settles Sunday, 1 November 2026 (polymarket). [Market](https://polymarket.com/event/which-company-has-the-best-ai-agent-end-of-october)
- **Second-best AI Lab end of October?**: Anthropic, 72%; settles Saturday, 31 October 2026 (polymarket). [Market](https://polymarket.com/event/second-best-ai-lab-end-of-october)
- **Which company has the best AI model on LiveBench (Mathematics) end of October?**: Anthropic, 99%; settles Saturday, 31 October 2026 (polymarket). [Market](https://polymarket.com/event/which-company-has-the-best-ai-model-on-livebench-mathematics-end-of-october)
- **Which company has the best AI model on LiveBench (Overall) end of October?**: Anthropic, 92%; settles Sunday, 1 November 2026 (polymarket). [Market](https://polymarket.com/event/which-company-has-the-best-ai-model-on-livebench-overall-end-of-october)
- **Which company has the best AI model on LiveBench (Coding) end of October?**: Anthropic, 92%; settles Saturday, 31 October 2026 (polymarket). [Market](https://polymarket.com/event/which-company-has-the-best-ai-model-on-livebench-coding-end-of-october)
- **Will Anthropic announce a $400+/month tier before November 2026?**: No, 94%; settles Saturday, 31 October 2026 (manifold). [Market](https://manifold.markets/winged_one/will-anthropic-announce-a-400month)
- **Google matches Anthropic's evaluator commitment by October 31?**: No, 89%; settles Sunday, 1 November 2026 (polymarket). [Market](https://polymarket.com/event/which-ai-labs-commit-to-third-party-vetting-by-october-31)