Claude Fable 5 by Anthropic demonstrates excellent coding ability. View detailed benchmark data including scores across coding, math, reasoning, speed, and cost metrics.
Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.
General Benchmarks
Artificial Analysis composite intelligence score across 10 sub-benchmarks
Artificial Analysis (via OpenRouter)Coding Benchmarks
Artificial Analysis composite coding score
Artificial Analysis (via OpenRouter)Human preference ELO for building things — websites, UI, games, charts, SVG
Design Arena (via OpenRouter)Human preference ELO for building a working web page from a brief
Design Arena (via OpenRouter)Reasoning Benchmarks
Multi-turn service agent making tool calls under strict policy constraints
OpenRouter (measured)Artificial Analysis composite score for multi-step tool-using tasks
Artificial Analysis (via OpenRouter)Speed Benchmarks
Cost Benchmarks
Cost per 1M cached input tokens — the price that actually applies to a long agent conversation
OpenRouter APIContext Benchmarks
Available from 37 providers
The same model costs different amounts depending on who serves it. You can bring your own key for 6 of these — connect it here.
| Provider | Input / 1M | Output / 1M | Cached in | Context | Your key |
|---|---|---|---|---|---|
| Kenari | $0 | $0 | — | 1.0M | — |
| Xpersona | $3 | $18.5 | $0.3 | 1.0M | — |
| 302.AI | $10 | $50 | — | 1.0M | — |
| Abacus | $10 | $50 | — | 1.0M | — |
| Amazon Bedrock | $10 | $50 | $1 | 1.0M | Supported |
| Anthropic | $10 | $50 | $1 | 1.0M | Supported |
| Azure | $10 | $50 | $1 | 1.0M | Supported |
| Azure Cognitive Services | $10 | $50 | $1 | 1.0M | — |
| Cloudflare AI Gateway | $10 | $50 | $1 | 1.0M | — |
| CrossModel | $10 | $50 | $1 | 1.0M | — |
| DevPass (LLM Gateway) | $10 | $50 | $1 | 1.0M | — |
| Eden AI | $10 | $50 | $1 | 1.0M | — |
| FreeModel | $10 | $50 | $1 | 1.0M | — |
| GitHub Copilot | $10 | $50 | $1 | 1.0M | — |
| Impossibl | $10 | $50 | $1 | 1.0M | — |
| Kilo Gateway | $10 | $50 | $1 | 1.0M | — |
| LLM Gateway | $10 | $50 | $1 | 1.0M | — |
| Merge Gateway | $10 | $50 | $1 | 1.0M | — |
| Modelis | $10 | $50 | — | 1.0M | — |
| NanoGPT | $10 | $50 | $1 | 1.0M | — |
| Neon | $10 | $50 | $1 | 1.0M | — |
| Ofox | $10 | $50 | $1 | 1.0M | — |
| OpenCode Zen | $10 | $50 | $1 | 1.0M | — |
| OpenRouter | $10 | $50 | $1 | 1.0M | Supported |
| Opper | $10 | $50 | $1 | 1.0M | — |
| OrcaRouter | $10 | $50 | $1 | 1.0M | — |
| Requesty | $10 | $50 | $1 | 1.0M | — |
| Vercel AI Gateway | $10 | $50 | $1 | 1.0M | Supported |
| Vertex | $10 | $50 | $1 | 1.0M | Supported |
| Vertex (Anthropic) | $10 | $50 | $1 | 1.0M | — |
| Vivgrid | $10 | $50 | $1.25 | 1.0M | — |
| ZenMux | $10 | $50 | $1 | 1.0M | — |
| AIHubMix | $11 | $55 | $1.1 | 1.0M | — |
| Pioneer | $11 | $55 | $1.1 | 1.0M | — |
| Venice AI | $12 | $60 | $1.2 | 1.0M | — |
| Model Oracle AI | — | — | — | 1.0M | — |
| Snowflake Cortex | — | — | — | 1.0M | — |
Claude Fable 5 — Benchmark Scores Overview
Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).
Compare Claude Fable 5 With
Claude Fable 5 — Frequently Asked Questions
How much does Claude Fable 5 cost?
Claude Fable 5 costs $10.0 per 1M input tokens and $50.0 per 1M output tokens. This places it in the premium pricing tier.
How fast is Claude Fable 5?
Claude Fable 5 generates output at 60 tokens per second, which is slower, prioritizing quality over speed compared to other models. The time to first token is 81680 ms.
How good is Claude Fable 5 at coding?
Claude Fable 5 achieves 95.0% on SWE-bench Verified, demonstrating excellent real-world software engineering capability. This benchmark tests the model's ability to resolve actual GitHub issues.
What is the context window of Claude Fable 5?
Claude Fable 5 has a context window of 1.0M tokens. This determines how much text, conversation history, and code the model can process in a single request.
Who created Claude Fable 5?
Claude Fable 5 was created by Anthropic. It is classified as a flagship model in our catalogue.
Is Claude Fable 5 open source?
No, Claude Fable 5 is a proprietary model. It is available through Anthropic's API and compatible providers.