DeepSeek’s Flash ties Anthropic’s Opus 5.5 in browser-agent benchmark
DeepSeek’s Flash model scored 75/100 on the Browser Use benchmark, matching Anthropic’s Opus 5.5. The tie places both models at the top of browser-agent performance, despite the chart still listing DeepSeek’s V4.1 Flash slightly lower. The result highlights growing competition in AI browsing tasks, with low-cost, open-weight models like Flash challenging high-profile offerings.
Key points
- DeepSeek’s Flash model tied Anthropic’s Opus 5.5 at **75/100** on the Browser Use benchmark
- Benchmark chart still shows Flash slightly lower, but the score reflects real-time performance
- Open-weight models like Flash challenge high-cost competitors in browser-agent tasks
Market pricing suggests traders no longer assume Anthropic will lead by November 2026. Observers will watch for benchmark updates and new releases from DeepSeek, Anthropic, and others like Google and Meta, which could reshape rankings by year-end.
Model page: Opus 5.5 →
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DeepSeek’s Flash ties Anthropic’s Opus 5.5 in AI browsing benchmark
cryptobriefing.com · 19 October 2026
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