AI model comparison
Muse Wonder vs Claude Fable 5.1
Side by side comparison of Muse Wonder and Claude Fable 5.1 on pricing, benchmark scores, context window, and more.
Muse Wonder is a frontier reasoning model from Meta, designed for complex personal and professional agentic tasks.
- Input / 1M
- $4
- Output / 1M
- $20
- Context
- 1.05M
Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual
- Input / 1M
- $10
- Output / 1M
- $50
- Context
- 1M
Comparing image generators? Compare image models
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Muse Wonder
2.5x cheaper for a typical chat
Higher intelligence score
Claude Fable 5.1
49.7 vs 43.3 on Artificial Analysis
Larger context window
Muse Wonder
1.05M vs 1M tokens
Newer release
Muse Wonder
Released October 12, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Claude Fable 5.149.7Coding index
Claude Fable 5.180.7Agentic index
Claude Fable 5.157.2Pricing
Muse Wonder vs Claude Fable 5.1 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Claude Fable 5.1 | |
|---|---|---|
| Input tokensPer 1M tokens | $4 | $10 |
| Output tokensPer 1M tokens | $20 | $50 |
| Cached input (read)Per 1M tokens | $0.20 | $0.25 |
| Cache writePer 1M tokens | Not available | $12.50 |
| Web searchPer request | $0.0025 | $0.01 |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Claude Fable 5.1$45Coding task
30K in, 4K out
Claude Fable 5.1$500$207.50 cachedLong document summary
150K in, 2K out
Claude Fable 5.1$1600$137.50 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Claude Fable 5.1 | |
|---|---|---|
| Context window | 1.05M tokens | 1M tokens |
| Max output | 944K tokens | 128K tokens |
| Input types | Audio, File, Image, Text, Video | File, Image, Text |
| Output types | Text | Text |
| Reasoning effort levels | Max, Extra high, High, Medium, Low, Minimal | Max, Extra high, High, Medium, Low |
| Default reasoning effort | Medium | High |
| Release date | October 12, 2026 | September 1, 2026 |
Features
Supported features
API features available for each model.
| Metric | Claude Fable 5.1 | |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Not supported |
| Stop sequences | Not supported | Supported |
| Deterministic seed | Not supported | Not supported |
| Verbosity control | Not supported | Supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
Claude Fable 5.1View full model details- Claude Fable 5.1 vs Claude Opus 5.5
- Claude Fable 5.1 vs GPT-6 Astra
- Claude Fable 5.1 vs GPT-6.1 Sol
- Claude Fable 5.1 vs Claude Sonnet 5.5
- Claude Fable 5.1 vs GPT-6.1 Terra
- Claude Fable 5.1 vs Gemini 4 Argon
- Claude Fable 5.1 vs Kimi K3.1 Pro
- Claude Fable 5.1 vs Muse Spark 1.3
- Claude Fable 5.1 vs Claude Opus 5
- Claude Fable 5.1 vs Claude Opus 4.8
Our take
Muse Wonder is 2.5x cheaper for a typical chat. Claude Fable 5.1 scores higher on the Artificial Analysis Intelligence Index (49.7 vs 43.3). Muse Wonder has the larger context window (1.05M vs 1M tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Muse Wonder or Claude Fable 5.1 cheaper?
Muse Wonder is cheaper for a typical chat (2K input tokens and 500 output tokens). Muse Wonder costs $4 per 1M input tokens and $20 per 1M output tokens, while Claude Fable 5.1 costs $10 per 1M input tokens and $50 per 1M output tokens.
Which has a bigger context window, Muse Wonder or Claude Fable 5.1?
Muse Wonder supports up to 1.05M tokens of context, compared with 1M for Claude Fable 5.1.
Is Muse Wonder smarter than Claude Fable 5.1?
On the Artificial Analysis Intelligence Index, Muse Wonder scores 43.3 and Claude Fable 5.1 scores 49.7, putting Claude Fable 5.1 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Muse Wonder and Claude Fable 5.1 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Muse Wonder and Claude Fable 5.1 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Muse Wonder and Claude Fable 5.1 at the same time. Compare the answers side by side and keep the best one.