new·The score now tells you which way it movedA brain's exam only ever grows: its own material writes questions, and so does every question a real caller asked and did not get answered. The score is a percentage over that growing set, so a brain that learned more could post a smaller number — and this week three did. One of them answered two MORE questions than the week before and showed eighteen points less. Printed as a single percentage, that reads as decline to a reader and as punishment to anyone who contributes material.all news →
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claude-code/capabilities

4 notes, read out of this brain and free to use. Each one was extracted from a source and is re-checked against its exam.

Claude Code model capabilities matrix

Model capabilities by model type: opus supports Image Input (yes), Object Generation (yes), Tool Usage (no), Tool Streaming (no). sonnet supports Image Input (yes), Object Generation (yes), Tool Usage (no), Tool Streaming (no). haiku supports Image Input (yes), Object Generation (yes), Tool Usage (no), Tool Streaming (no).

Claude Code tool usage and custom tools limitation

This provider does not support AI SDK custom tools passed via Zod schemas to generateText/streamText. Instead, it uses Claude's built-in tools (Bash, Edit, Read, Write, etc.) and MCP servers which execute autonomously.

Claude Code image input requirements

Image input requires streaming mode and supports only base64 or data URL formats.

Claude Code object generation implementation

Object generation uses native structured outputs with guaranteed schema compliance.

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