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Anthropic

Claude Fable 5.2

Claude Fable 5.2 is Anthropic's most capable model for the most demanding technical work, with gains over Fable 5.1 in coding, reasoning, and vision. In prerelease testing it completed otherwise-infeasible...

claude-fable-5.2

List pricing

โ€”
Input
$8 / 1,000,000 tokens
Output
$40 / 1,000,000 tokens
Cache read
$0.19999999999999998 / 1,000,000 tokens
Cache write
$10 / 1,000,000 tokens
How pricing works

Discount history

No discount history yet.

Model details

Input
text, image, file
Output
text
Context window
1,000,000 tokens
Maximum output
128,000 tokens
Availability
Unknown
Updated
11/9/2026, 8:47:26 PM UTC

Capacity is reserved when your request is accepted.

Capabilities

ChatStreamingWeb searchVisionTool callingReasoningJSON mode

Supported parameters

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolsverbosity