Anthropic launches Claude Haiku 5.5 with lower API pricing, stronger benchmark results and new options for developers ...
On September 22, 2026, Anthropic released "Claude Opus 5.5" as the first model in the new Claude 5.5 family.In short, Opus ...
Anthropic reports that Opus 5.5 performs better than recent Claude models across nearly every measure in its roughly 2,000-scenario automated behavioral audit.
Anthropic calls Haiku its fastest model at standard speeds, while acknowledging that Opus in Fast Mode runs faster. It does ...
Haiku 5.5 shows significant improvement in benchmarks. At the same time, Anthropic cuts API prices by up to 90 percent, ...
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