AI digest: 2026-10-08

Highlights

• Claude Haiku 5.5: released 2026-10-07 with 1M context, effort control, and computer use, at $0.10 / $0.50 per 1M tokens for prompts up to 100K tokens (5x above that).
• Cheaper Claude cache reads: Sonnet 5.5 cache reads now cost $0.10 per 1M tokens, 5% of input, matching Opus 5.5's discount.
• EmbeddingGemma 2: Google's open (Apache 2.0) 740M-parameter embedding model covers text, code, images, audio, and video, and runs on a phone.

New sources

Models

• Claude Haiku 5.5: smallest 5.5 model, tiered by prompt length, first Haiku with effort control.
• EmbeddingGemma 2: open multimodal embeddings, 768-dim Matryoshka vectors, 8K window.

Frameworks and libraries

• LangGraph 1.2.0 release notes: durable error-handler resume; 1.2.x patches up to 1.2.14 on 2026-10-06.

Industry

• Claude API pricing: Haiku 5.5 tiers, 0.05x cache reads on Opus and Sonnet 5.5.

Topic pages updated

• models/claude: Haiku 5.5 replaces Haiku 4.5 in the lineup; open questions on thinking and subscriber credits.
• practices/cost-and-caching: Haiku 5.5 tiered prices, Sonnet 5.5 cache read cut, corrected older Sonnet line.
• fundamentals/embeddings: multimodal embeddings concept, EmbeddingGemma 2.
• models/open-weight: EmbeddingGemma 2 noted.
• frameworks/landscape: LangGraph release dates confirmed via PyPI (gap filled).