Microsoft's Decision-1 model enters the fast-growing AI decision model race
Microsoft released Decision-1, a decision model built for fast, structured decisions such as classifications.
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The DecoderAI Score5858
Simon WillisonAI Score7171 Anthropic releases Claude Haiku 5.5 at $0.10/$0.50 per million tokens
Anthropic released Claude Haiku 5.5, a fast low-cost model priced at $0.10/$0.50 per million input/output tokens up to 100.
AWS Machine Learning BlogFeaturedAI Score7171 Claude Haiku 5.5 launches on Amazon Bedrock and Claude Platform on AWS
Claude Haiku 5.5 is now available on Amazon Bedrock and Claude Platform on AWS. According to Anthropic.
Why it matters: The post details Haiku 5.5's effort controls and subagent role, useful for judging cost and routing tradeoffs.
The DecoderFeaturedAI Score8282 Anthropic releases Claude Haiku 5.5 with up to 90 percent price cuts and large benchmark gains
Anthropic released Claude Haiku 5.5, its fastest and most affordable small model.
Why it matters: The pricing table and benchmark jumps let readers weigh Haiku 5.5 against their own cost-sensitive workloads.
Latent SpaceFeaturedAI Score8080 Google DeepMind introduces Gemini 4 Argon with 1M-token output, limited to cybersecurity preview
Google DeepMind introduced Gemini 4 Argon for coding, enterprise knowledge work and cyber defense.
Why it matters: The roundup lays out Argon's benchmark wins, its 1M-token output mechanism and its limited preview access side by side.
Hugging Face BlogFeaturedAI Score7171 H Company releases Holo4 computer-use agent models in 27B dense and 35B-A3B MoE sizes
H Company released Holo4, a new series of generalist computer-use agent models in two sizes.
Why it matters: The post gives the two model sizes, the interfaces they cover and the OSWorld 2.0 numbers, so readers can weigh a cheaper open-weight computer-use agent against closed frontier models.
Anthropic BlogFeaturedAI Score7171 Anthropic releases Claude Opus 5.5 for longer, context-heavy coding sessions
Anthropic released Claude Opus 5.5, which it estimates costs about 40% less to run than Opus 5 for typical token-billed workloads. Input and output token prices were cut 20% and cached token reads 60%, and the company says Opus 5.5 generates output more than 30% faster than Opus 5. Anthropic also published Claude Code usage data from March to September 2026 showing context per request grew 2.6x, Claude works 3.3x longer per prompt with over 40% more model calls, and cache-missing input fell by more than 50%.
Why it matters: The post pairs Claude Code usage data with the pricing and cache mechanics behind Opus 5.5, useful for judging cost on long coding sessions.