Anthropic: Claude Fable 5
Anthropic: Claude Fable 5 is a versatile AI model that can process text, images, and files, with a context length of one million tokens. It supports reasoning and tools, making it suitable for complex tasks where structured output isn't required. With a blended benchmark score of 98.8 across four independent benchmarks, it performs exceptionally well in various domains. For those looking to integrate powerful AI capabilities without needing advanced structured outputs or frequent tool interactions, this model stands out. Given its pricing at $10 per million input tokens and $50 per million output tokens, it might be cost-effective for users with specific needs who prioritize performance over every feature.
Benchmark results
Independent, published benchmarks. Blended score 98.8 across 4 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 100.0 |
| AI Index Coding | software engineering tasks | 100.0 |
| AI Index Agentic | multi-step tool-using tasks | 93.4 |
| EQ-Bench | emotional understanding in dialogue | 82.6 |
- Model ID
- anthropic/claude-fable-5
- 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 $10.00/M input and $50.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.38 |
| Classify 1,000 customer emails | 500k in / 50k out | $7.50 |
| A month of a busy support chatbot | 5M in / 2M out | $150.00 |
Similar models
Claude Opus 5 (Fast)
Anthropic: Claude Opus 4.8 (Fast)
Anthropic: Claude Opus 4.7 (Fast)
Anthropic: Claude Opus 4.1 (batch)
Anthropic: Claude Opus 4.1
Anthropic: Claude Opus 4
Quick answers
- How much does Anthropic: Claude Fable 5 cost?
- $10.00 per million input tokens and $50.00 per million output tokens.
- What is Anthropic: Claude Fable 5's context window?
- 1,000,000 tokens, roughly 1,500 pages of text in a single request.
- Does Anthropic: Claude Fable 5 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Anthropic: Claude Fable 5 process images?
- Yes, it accepts image input.