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  1. Models
  2. Text
  3. Anthropic

Claude Fable 5.2

Anthropic's Claude Fable 5.2 supports demanding reasoning, coding, and long-running agentic work, with text, image, and PDF inputs, tool calling, and structured outputs. It has a 1M-token context window and up to 128K output tokens. Adaptive thinking is always on, with five effort levels. Prompts and outputs are retained for 30 days; Zero Data Retention is not available.

  • Reasoning
  • Vision
  • Native PDF input
  • Tool Calling
  • Structured Output

Added Nov 10, 2026

Pricing

Auto routing · per 1M tokens
Input
$10.00
Output
$50.00
Cache read
$0.25
Compare provider prices

Specifications

Context window
1M
Max output
128K

Benchmarks

No public benchmark scores for this model yet.

Providers

Cache write /M
Auto
Auto
Recommended
$10.00$50.00$0.25$12.50N/AN/A
Batch API
ProviderInputOutputCached inputCache write
Anthropic
Anthropicanthropic/claude-fable-5
$5.00/M$25.00/M$0.50/M$6.25/M

Related text models

Compare Claude Fable 5.2 with similar models from the same provider or model family.

Claude Fable 5.1

anthropic/claude-fable-5.1

Claude Fable 5.1 improves on Fable 5 across agentic coding, long-running workflows, front-end and visual code generation, finance, analysis, and knowledge work, with more concise plans and summaries. Anthropic retains prompts and outputs for 30 days; Zero Data Retention is not available.

Claude Fable 5

anthropic/claude-fable-5

Anthropic Claude Fable 5 for long-running coding, research, and knowledge-work tasks. Anthropic retains prompts and outputs for 30 days under its Covered Models policy; Zero Data Retention is not available.

Claude Fable Latest

anthropic/claude-fable-latest

Compatibility alias for Claude Fable 5.1. Anthropic retains prompts and outputs for 30 days under its Covered Models policy; Zero Data Retention is not available.

Claude Haiku 5.5

anthropic/claude-haiku-5.5

Claude Haiku 5.5 is Anthropic's fastest and most capable small model, designed for high-volume, cost-sensitive tasks such as summaries, classification, coding assistance, and live customer support. It delivers major gains over Haiku 4.5 while costing around 75% less to run.

Claude Sonnet 5.5

anthropic/claude-sonnet-5.5

Claude Sonnet 5.5 handles everyday coding, tool-based workflows, visual analysis, and polished writing with a 1M-token context window. This version skips up-front thinking and can reason between tool calls for faster responses; use Thinking for deeper planning and complex problems.

Claude Sonnet 5.5 Thinking

anthropic/claude-sonnet-5.5:thinking

Claude Sonnet 5.5 with adaptive thinking for complex coding, multi-step tool use, visual analysis, and detailed planning. Supports a 1M-token context window and five reasoning effort levels, with stronger thinking available when a task needs it.