Who is leading the race in large language models? TIMETOACT presents the latest benchmark results and highlights the trends businesses should be watching right now.
LLM Benchmarks
August 2026
LLM Benchmarks August 2026:
187 Models Compared
GPT-5.6 joins the leading group
GPT-5.6 Sol scored 96 points to claim second place, pushing Qwen3.7 Max down to third. Terra achieved 91 points and Luna 90. At the same time, OpenAI has made the GPT-5.6 family even more attractive with significant price reductions: Terra is now 20% cheaper, while Luna's price has been reduced by 80%.
Fable 5 disappoints after its return
After Anthropic restored access to Fable 5, we decided to benchmark it again. Its score dropped from 90 to 83 points, demonstrating that a model's behavior can change significantly even when its name remains the same. Anthropic announcement
🔗Anthropic-Announcement
Claude Opus 5 catches up with the leaders
We evaluated the model across three reasoning levels—Low, Medium, and High—and all three achieved the same score of 92 points. Claude now performs significantly better on our enterprise benchmark tasks, while the nearly identical results suggest that increasing reasoning effort does not necessarily lead to better overall performance.
Grok 4.5 breaks into the top 10
With 94 points, Grok 4.5 enters the rankings in ninth place. It performed particularly well in coding, CRM, and integration tasks. xAI positions the model for software development and agentic workflows—a claim that is also supported by the overwhelmingly positive feedback from the developer community.
Summary
August 2026 highlights how competitive the race at the top has become. While GPT-5.6 further strengthens OpenAI's leading position, Claude Opus 5 reaches a new level of quality, and Grok 4.5 establishes itself as a serious contender. At the same time, the significant performance drop of Fable 5 is a reminder that AI models are not static products. Continuous benchmarking is therefore essential for making informed architecture and model selection decisions.
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