Anthropic: Claude Fable 5 ($$$$)

anthropic/claude-fable-5

Last Observed: 2026-10-15 06:04:18.064414 UTC

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...

Find A Field

Architecture And Modalities · 2

Architecture · Modality API Details /architecture/modality text+image+file->text	text+image+file->text
Architecture · Tokenizer API Details /architecture/tokenizer Claude	Claude

Catalog Identity And Metadata · 46

Context Tokens API Details /context_length 1000000	1,000,000
Created API Details /created 1781007515	2026-06-09 12:18:35 UTC
Description API Details /description 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...	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...
Enkrypt · Bias Score API Details /enkrypt/bias_score 0	0
Enkrypt · Cbrn Score API Details /enkrypt/cbrn_score 0	0
Enkrypt · Evaluated At API Details /enkrypt/evaluatedAt Explicit Null	Explicit Null
Enkrypt · Evasion Score API Details /enkrypt/evasion_score Explicit Null	Explicit Null
Enkrypt · Freshness API Details /enkrypt/freshness fresh	fresh
Enkrypt · Harmful Score API Details /enkrypt/harmful_score 0	0
Enkrypt · Ingested At API Details /enkrypt/ingestedAt 2026-09-04T04:01:19.650Z	2026-09-04T04:01:19.650Z
Enkrypt · Insecure Code Score API Details /enkrypt/insecure_code_score 0	0
Enkrypt · Jailbreak Score API Details /enkrypt/jailbreak_score 0	0
Enkrypt · Last Checked At API Details /enkrypt/lastCheckedAt 2026-10-15T04:00:26.298Z	2026-10-15T04:00:26.298Z
Enkrypt · Model Name API Details /enkrypt/model_name claude-fable-5	claude-fable-5
Enkrypt · Nist Score API Details /enkrypt/nist_score 0	0
Enkrypt · Owasp Score API Details /enkrypt/owasp_score 0	0
Enkrypt · Provider API Details /enkrypt/provider anthropic	anthropic
Enkrypt · Risk Score API Details /enkrypt/risk_score 0	0
Enkrypt · Robustness Score API Details /enkrypt/robustness_score Explicit Null	Explicit Null
Enkrypt · Safety Score API Details /enkrypt/safety_score 0	0
Enkrypt · Source API Details /enkrypt/source anthropic	anthropic
Enkrypt · Stale After API Details /enkrypt/staleAfter 2026-10-16T06:00:26.298Z	2026-10-16T06:00:26.298Z
Enkrypt · Toxicity Score API Details /enkrypt/toxicity_score 0	0
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Id API Details /id anthropic/claude-fable-5	anthropic/claude-fable-5
Is Free API Details /isFree False	False
May Train On Your Prompts API Details /mayTrainOnYourPrompts False	False
Name API Details /name Anthropic: Claude Fable 5 ($$$$)	Anthropic: Claude Fable 5 ($$$$)
Opencode · Ai Sdk Provider API Details /opencode/ai_sdk_provider anthropic	anthropic
Opencode · Variants · High · Reasoning · Effort API Details /opencode/variants/high/reasoning/effort high	high
Opencode · Variants · High · Reasoning · Enabled API Details /opencode/variants/high/reasoning/enabled True	True
Opencode · Variants · High · Verbosity API Details /opencode/variants/high/verbosity high	high
Opencode · Variants · Low · Reasoning · Effort API Details /opencode/variants/low/reasoning/effort low	low
Opencode · Variants · Low · Reasoning · Enabled API Details /opencode/variants/low/reasoning/enabled True	True
Opencode · Variants · Low · Verbosity API Details /opencode/variants/low/verbosity low	low
Opencode · Variants · Max · Reasoning · Effort API Details /opencode/variants/max/reasoning/effort max	max
Opencode · Variants · Max · Reasoning · Enabled API Details /opencode/variants/max/reasoning/enabled True	True
Opencode · Variants · Max · Verbosity API Details /opencode/variants/max/verbosity max	max
Opencode · Variants · Medium · Reasoning · Effort API Details /opencode/variants/medium/reasoning/effort medium	medium
Opencode · Variants · Medium · Reasoning · Enabled API Details /opencode/variants/medium/reasoning/enabled True	True
Opencode · Variants · Medium · Verbosity API Details /opencode/variants/medium/verbosity medium	medium
Opencode · Variants · Xhigh · Reasoning · Effort API Details /opencode/variants/xhigh/reasoning/effort xhigh	xhigh
Opencode · Variants · Xhigh · Reasoning · Enabled API Details /opencode/variants/xhigh/reasoning/enabled True	True
Opencode · Variants · Xhigh · Verbosity API Details /opencode/variants/xhigh/verbosity xhigh	xhigh
Terminal Bench · Avg Attempt Cost Usd API Details /terminalBench/avgAttemptCostUsd 87.5169082	87.5169082
Terminal Bench · Overall Score API Details /terminalBench/overallScore 0.71011236	0.71011236

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 6

Output Price · USD/Token API Details /pricing/completion 0.00005	0.00005
Pricing · Discount API Details /pricing/discount 0	0
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.000001	0.000001
Pricing · Input Cache Write API Details /pricing/input_cache_write 0.0000125	0.0000125
Input Price · USD/Token API Details /pricing/prompt 0.00001	0.00001
Pricing · Web Search API Details /pricing/web_search 0.01	0.01

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 1000000	1,000,000
Top Provider · Is Moderated API Details /top_provider/is_moderated True	True
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 128000	128,000

API Structure And Container Types

Architecture API Details /architecture Object · See Fields	Object · See Fields
Architecture · Input Modalities API Details /architecture/input_modalities Array · See Items	Array · See Items
Architecture · Output Modalities API Details /architecture/output_modalities Array · See Items	Array · See Items
Enkrypt API Details /enkrypt Object · See Fields	Object · See Fields
Opencode API Details /opencode Object · See Fields	Object · See Fields
Opencode · Variants API Details /opencode/variants Object · See Fields	Object · See Fields
Opencode · Variants · High API Details /opencode/variants/high Object · See Fields	Object · See Fields
Opencode · Variants · High · Reasoning API Details /opencode/variants/high/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Low API Details /opencode/variants/low Object · See Fields	Object · See Fields
Opencode · Variants · Low · Reasoning API Details /opencode/variants/low/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Max API Details /opencode/variants/max Object · See Fields	Object · See Fields
Opencode · Variants · Max · Reasoning API Details /opencode/variants/max/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Medium API Details /opencode/variants/medium Object · See Fields	Object · See Fields
Opencode · Variants · Medium · Reasoning API Details /opencode/variants/medium/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Xhigh API Details /opencode/variants/xhigh Object · See Fields	Object · See Fields
Opencode · Variants · Xhigh · Reasoning API Details /opencode/variants/xhigh/reasoning Object · See Fields	Object · See Fields
Pricing API Details /pricing Object · See Fields	Object · See Fields
Supported Parameters API Details /supported_parameters Array · See Items	Array · See Items
Terminal Bench API Details /terminalBench Object · See Fields	Object · See Fields
Top Provider API Details /top_provider Object · See Fields	Object · See Fields

Architecture · Input Modalities

4 items · source order preserved

text
image
file
pdf

API Details

Item	/architecture/input_modalities/*
1	text
2	image
3	file
4	pdf

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

11 items · source order preserved

include_reasoning
max_completion_tokens
max_tokens
reasoning
reasoning_effort
response_format
stop
structured_outputs
tool_choice
tools
verbosity

API Details

Item	/supported_parameters/*
1	include_reasoning
2	max_completion_tokens
3	max_tokens
4	reasoning
5	reasoning_effort
6	response_format
7	stop
8	structured_outputs
9	tool_choice
10	tools
11	verbosity

Recorded Value History

Historical API Field

Input Price · USD/Token

4 of 4 records plotted · 0 excluded for missing or invalid coordinates.

Up to 100 recorded versions, spaced by observation order rather than elapsed time. Array fields use the minimum numeric item in each version. Missing values are omitted. Select a point to open its archived snapshot; comparison actions use the current listing. History begins at the first recorded baseline.

Axis Scale

Select a point to open its listing or add it to compare.

Browse The Full Table