Opus 5 Early Reviews: Fast but Overly Verbose
Early testers report that Opus 5 is incredibly fast and capable, but its high reasoning mode is too aggressive. The model tends to overthink and consume excessive tokens, prompting users to manually downgrade to medium.
2026-07-25 ~ 2026-07-25 · 2 related posts
- Episode 1: Anthropic's Messy Releases Put Pressure on Opus 5(2026-07-23, 2 posts)
- Episode 2: Anthropic Launches Claude Opus 5(2026-07-25, 91 posts)
- Episode 3: Anthropic Rumored to Release Opus 5 with Fast Mode and Advanced Visuals(2026-07-25, 3 posts)
- Episode 4: Claude Opus 5 Early Feedback: Strong Coding but Breaks Old Workflows(2026-07-25, 5 posts)
- Episode 5: Anthropic Says Claude Opus 5 Deliberately Avoids Cyber Training(2026-07-25, 5 posts)
- Episode 6: Claude Opus 5 Accused of Benchmark Gaming, Lags Behind in Real Tests(2026-07-25, 2 posts)
- Episode 7: Claude Opus 5 Tops Leaderboards as New Global SOTA(2026-07-25, 5 posts)
- Episode 8: Claude Opus 5 Sets New SOTA on ARC-AGI-3 with Algebraic Reasoning(2026-07-25, 6 posts)
- Episode 9: Opus 5 Peaks at Medium Reasoning in FrontierCode Tests(2026-07-25, 8 posts)
- Episode 10: Claude Opus 5 Lags in Vision Benchmarks and Cost Efficiency(2026-07-25, 4 posts)
- Episode 11: Claude Opus 5 Introduces Five Effort Levels with Default Reasoning(2026-07-25, 2 posts)
- Episode 12: Opus 5 Early Reviews: Fast but Overly Verbose(2026-07-25, 2 posts)
- Early Opus 5 access suggests the model is fast, but too eager at high reasoning — alliekmiller · 2026-07-25
- Miles Brundage says Opus 5 is good but unusually verbose, raising questions about reasoning settings — Miles_Brundage · 2026-07-25