October 2026 AI Large Model Capability Rankings: Anthropic Dominates, DeepSeek Breaks Through

Overview

The latest large-model power rankings in October 2026 show that the competitive landscape in the AI field is undergoing profound reshaping. Anthropic, relying on its Claude Opus 5.5 and other series models, dominates the composite index, while Chinese manufacturer DeepSeek achieves a strong breakthrough in open-source and commercialization tracks.

Composite Index: Anthropic Tops the Rankings, Emerging Multi-Party Landscape

Observing from three dimensions—AA Intelligence Index, LMArena user preference, and Vals industry-weighted capabilities—the market performance of top closed-source models remains robust.

In the AA Intelligence Index, Anthropic's Claude Opus 5.5 (max with fallback) takes the top spot with 58 points, with three Claude variants among the top four, demonstrating its standardized advantages in programming, mathematics, and reasoning. GPT-6 Astra and Gemini 4 Argon follow closely, but with a smaller overall lead margin.

"In the LMArena rankings based on real user preferences, Google's gemini-4-argon-high leads with 1525 points, and the Claude Opus series also enters the top five, reflecting differences in user satisfaction across different evaluation systems."

In the Vals Index v2.1, which measures accuracy in actual tasks such as finance, law, and taxation, Gemini 4 Argon ranks first with a score of 68.9%, while Claude Sonnet 5.5 and Claude Opus 5.5 rank second and third with 67.04% and 66.97% respectively. This indicates that in practical scenarios within vertical industries, both Google's and Anthropic's models possess strong implementation capabilities.

Specialized Capabilities: DeepSeek Breaks Through in Code, Domestic Models Bloom Across Multiple Areas

Although closed-source giants lead the composite rankings, Chinese manufacturers show outstanding performance in specialized evaluations within segmented fields.

Regarding coding capabilities, DeepSeek-V4.1 Flash attracted attention upon its new listing, with its developer-friendly positioning reshaping the open-source ecosystem. Meanwhile, Google's Gemma 4 series and OpenAI's GPT Opensources 120B also hold prominent positions in the rankings, indicating a significant improvement in the technical maturity of open-source models.

On the Agent capabilities leaderboard, Anthropic's Claude Fable 5 leads with 85 points, but Alibaba's Tongyi Qianwen Qwen3.8-27B breaks into the top four as a newcomer with 84.3 points, demonstrating the rapid progress of domestic models in multi-step task planning and tool invocation.

In terms of mathematical capabilities, xAI's Grok 4 Heavy and Google's Gemini 2.5 Deep Think take the lead, while DeepSeek V3.2 Speciale stands out in the open-source camp with a score of 1395.3, further consolidating its influence in Chinese developer communities.

Trend Outlook

The current large-model market presents a dual-track trend of "closed-source competing for high-end, open-source competing for applications." Anthropic and OpenAI maintain leadership in general intelligence, while Chinese manufacturers represented by DeepSeek, Zhipu AI, and Alibaba have formed differentiated competitive advantages in specific vertical fields and open-source ecosystem construction. With the diversification of evaluation systems, single metrics can no longer comprehensively define model capabilities. In the future, the comprehensive competition among computing power, cost, and scenario adaptation capabilities will become the core highlight.