Anthropic committed $150 million over three years to fund the U.S. federal Genesis Mission and make Claude available to more than 15 participating agencies. The investment provides Claude, Claude Code, and API credits to several hundred Genesis Mission research projects. This expands Anthropic’s AI support for federal labs and agencies via new onboarding, training, and technical assistance so more projects can run using its tools.
Anthropic launched Claude Sonnet 5.5 shortly after Opus 5.5 and reported higher Terminal-Bench 4.0 performance plus faster output and lower token usage. Sonnet 5.5 is priced at $2 per million input tokens and $10 per million output tokens, half of Opus 5.5’s $4 and $20. Independent/API testing in the article finds Sonnet 5.5 is about 42% cheaper overall and perfect on 15 runs (Opus 13), with the main tradeoff being Opus sometimes faster on the agentic test.
Anthropic released Claude Haiku 5.5, a smaller Claude model aimed at high-volume, speed-sensitive tasks and subagent coding work. The model costs around 75% less to run than Haiku 4.5, and Anthropic also cut Sonnet 5.5 cache read pricing by 50% to make it about 20% cheaper on most agentic work. Anthropic is also adding an adjustable “effort” setting and introducing new monthly API credits for Max and Team subscribers, with platform SDK updates adding beta support for computer and browser use.
Anthropic released Claude Haiku 5.5, a fast, low-cost model. It charges $0.10 per million input tokens and $0.50 per million output tokens up to 100,000 tokens. Pricing and value shift by length, with Haiku reported to be a better deal under 100,000 tokens and a worse deal beyond that.
Claude Opus 5 helped crack an Enigma message that had resisted researchers for decades. The newsletter says the specific message had been unsolved since 2005. This time, the process relied on more guidance, using an officer’s known signature as a starting foothold.
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