Anthropic: Claude Fable 5 (batch)

anthropic/claude-fable-5:batch

Modalities: text+image+file->text
In / out price: $5 / $25
Context: 1M
Released: Jun 9, 2026
Knowledge cutoff: —

Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

VisionToolsReasoningStructured output1M context

Supported parameters

include_reasoning
Include reasoning
Include a reasoning summary in the response.
max_tokens
Max tokens
Upper bound on generated tokens. Output stops at the limit.
reasoning
Reasoning
Enable or configure reasoning. The fields differ by model.
reasoning_effort
Reasoning effort
How much compute to spend reasoning. Often low, medium, or high.
response_format
Response format
For example json_object or json_schema, to constrain the shape.
stop
Stop
Stop when these strings are produced. A string or an array of strings.
structured_outputs
Structured outputs
Generate a parseable structure that follows a JSON Schema.
tool_choice
Tool choice
Whether to call a tool: auto, none, or a named function.
tools
Tools
Function definitions the model may call via tool_calls.
verbosity
Verbosity
Ask the model for a shorter or longer answer.

Models Anthropic

Anthropic: Claude Fable 5 (batch)

anthropic/claude-fable-5:batch

Try this model

Modalities: text+image+file->text
In / out price: $5 / $25
Context: 1M
Released: Jun 9, 2026
Knowledge cutoff: —

Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

VisionToolsReasoningStructured output1M context

Supported parameters

include_reasoning
Include reasoning
Include a reasoning summary in the response.
max_tokens
Max tokens
Upper bound on generated tokens. Output stops at the limit.
reasoning
Reasoning
Enable or configure reasoning. The fields differ by model.
reasoning_effort
Reasoning effort
How much compute to spend reasoning. Often low, medium, or high.
response_format
Response format
For example json_object or json_schema, to constrain the shape.
stop
Stop
Stop when these strings are produced. A string or an array of strings.
structured_outputs
Structured outputs
Generate a parseable structure that follows a JSON Schema.
tool_choice
Tool choice
Whether to call a tool: auto, none, or a named function.
tools
Tools
Function definitions the model may call via tool_calls.
verbosity
Verbosity
Ask the model for a shorter or longer answer.