anthropic

Anthropic: Claude Fable 5 (batch)

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...

Quality Score
95/100
price + capability + benchmarks
Input Price
$5.00
per 1M tokens
Output Price
$25.00
per 1M tokens
Context Window
1,000,000
tokens

Benchmark results

Independent, published benchmarks. Blended score 98.4 across 4 benchmarks, last refreshed 2026-07-29. How scoring works →

BenchmarkMeasuresScore
AI Index broad capability composite 98.8
AI Index Coding software engineering tasks 100.0
AI Index Agentic multi-step tool-using tasks 87.1
EQ-Bench emotional understanding in dialogue 82.6
Model ID
anthropic/claude-fable-5:batch
Vendor
anthropic
Released
June 2026
Tokenizer
Claude
Input Modalities
text, image, file
Output Modalities
text
Max Output
128,000 tokens
Tool Calling
✓ supported
Structured Output
✓ supported
Reasoning Mode
✓ supported
Vision
✓ accepts images
Audio
no
Moderated
yes

What it costs in practice

Computed from the current $5.00/M input and $25.00/M output rates. Run your own numbers →

JobTokensCost
Summarize a 50-page report 30k in / 1.5k out $0.19
Classify 1,000 customer emails 500k in / 50k out $3.75
A month of a busy support chatbot 5M in / 2M out $75.00

Strong choice for

Category rankings

Where Anthropic: Claude Fable 5 (batch) places across the 46 categories it ranks in. How we rank →

#CategoryScore
#5 Agent WorkflowsAgents · of 25 ranked 202
#5 Coding AgentsAgents · of 25 ranked 202
#6 Bug FixingCode · of 25 ranked 190
#6 Data AnalysisData · of 25 ranked 174
#6 Financial AnalysisProfessional · of 25 ranked 162
#6 Browser AutomationAgents · of 25 ranked 174
#6 Scientific CodingResearch · of 25 ranked 190
#8 Code ReviewCode · of 25 ranked 175
#8 Code RefactoringCode · of 25 ranked 172
#8 ETL ScriptingData · of 25 ranked 160
#8 Creative WritingWriting · of 25 ranked 165
#8 Screenwriting & DialogWriting · of 25 ranked 165
#8 Academic WritingWriting · of 25 ranked 165
#8 Legal DraftingProfessional · of 25 ranked 165
#8 Legal ResearchProfessional · of 25 ranked 178
#8 Contract ReviewProfessional · of 25 ranked 187
#8 Medical Note SummarizationProfessional · of 25 ranked 160
#8 Scientific ResearchProfessional · of 25 ranked 178
#8 Math TutoringEducation · of 25 ranked 150
#8 Physics TutoringEducation · of 25 ranked 153
#8 Essay GradingEducation · of 25 ranked 175
#8 RFP ResponseBusiness · of 25 ranked 182
#8 OKRs & Strategic PlanningBusiness · of 25 ranked 165
#8 RAG PipelinesAgents · of 25 ranked 172
#8 Long-Context Q&AAgents · of 25 ranked 162
#8 Fiction CollaboratorPersonal · of 25 ranked 178
#8 Math ProofsResearch · of 25 ranked 165
#8 Literature ReviewResearch · of 25 ranked 178
#8 Experiment DesignResearch · of 25 ranked 160
#9 SQL GenerationCode · of 25 ranked 172
#9 Unit Test GenerationCode · of 25 ranked 157
#9 CI/CD PipelinesCode · of 25 ranked 147
#9 Frontend Component DesignCode · of 25 ranked 147
#9 History TutoringEducation · of 25 ranked 150
#9 Screenshot DebuggingVision · of 25 ranked 143
#9 Chart & Graph ReadingVision · of 25 ranked 153
#10 Long-Document SummarizationWriting · of 25 ranked 165
#11 Character RoleplayPersonal · of 25 ranked 153
#12 Fitness CoachingPersonal · of 25 ranked 135
#14 Blog Post WritingWriting · of 25 ranked 140
#14 Trip PlanningPersonal · of 25 ranked 140
#17 Meeting NotesBusiness · of 25 ranked 152
#21 Function / Tool CallingAgents · of 25 ranked 151
#23 Diagram ExtractionVision · of 25 ranked 147
#25 OCR / Document ParsingData · of 25 ranked 145
#25 Table Extraction from PDFsData · of 25 ranked 145

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Quick answers

How much does Anthropic: Claude Fable 5 (batch) cost?
$5.00 per million input tokens and $25.00 per million output tokens.
What is Anthropic: Claude Fable 5 (batch)'s context window?
1,000,000 tokens, roughly 1,500 pages of text in a single request.
Does Anthropic: Claude Fable 5 (batch) support tool calling?
It supports tool calling, structured output, a reasoning mode.
Can Anthropic: Claude Fable 5 (batch) process images?
Yes, it accepts image input.