Opus 5.5 at default effort beats rivals at max settings, 30% faster output
claudeai · x · 2026-09-23
Anthropic says Opus 5.5 at its default effort setting delivers frontier results at a fraction of the per-task cost, often beating other models running at their highest settings, and generates output over 30% faster than Opus 5 — on top of costing 40% less to run.
Related event: Anthropic Launches Claude Opus 5.5: Stronger, 40% Cheaper, Tops AA Index(259 posts)→
More from Models
- Alnie Seed 9B model's benchmarks questioned: mismatched numbers, FP4 speed vs FP16 scores — cneuralnetwork · 2026-11-08
- Experiment: Claude commits to answers more firmly than ChatGPT on 29 of 34 science questions — AymericRoucher · 2026-11-08
- Claude Artifacts suddenly blocks writes, users asked to grant full network egress — KeepStandardVoice · 2026-11-08
- Will Qwen4 Plus be open weights? Reddit parses Alibaba's release clues — Axiomexx · 2026-11-08
- OpenAI exec floats $50/month ChatGPT Pro tier between Plus and $100 Pro — haider1 · 2026-11-08
- Users frustrated by Claude's safety blocks refusing keys, databases, repo creation — TheNasky1 · 2026-11-08