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Claude Haiku 5.5 vs Muse Wonder

Claude Haiku 5.5 and Muse Wonder are closely matched at 50.1 and 47.9 on the LLM Stats Score. Claude Haiku 5.5 is 40.0x cheaper per token.

Anthropic · Meta · Updated for 2026

Which is better?

Claude Haiku 5.5 and Muse Wonder are closely matched on the overall LLM Stats Score at 50.1 and 47.9.

In the 4 individual benchmarks reported for both models, Claude Haiku 5.5 wins 3; this is a narrower head-to-head signal than the composite indexes.

On price, Claude Haiku 5.5 is roughly 40.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Muse Wonder also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Haiku 5.5

  • you value its reported benchmark strengths — it wins 3 of 4 exact shared results
  • cost matters — it's about 40.0x cheaper per token

Choose Muse Wonder

  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
50.1
#18
47.9
#29
47.4
#25
33.1
#109
40.0
#12
38.9
#18
33.6
#29
34.1
#24
Cost, coverage & limits
Benchmark wins
3 of 4
1 of 4
Input price
$0.10 / M
$4.00 / M
Output price
$0.50 / M
$20.00 / M
Context window
1,000,000
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Haiku 5.5
Muse Wonder
29.9#35
25.4#53
30.7#32
25.4#52
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

36 reported for Claude Haiku 5.5 · 16 for Muse Wonder

4 shared

Claude Haiku 5.5 outperforms in 3 benchmarks (HealthBench Professional, OSWorld 2.1 (strict), Program Bench), while Muse Wonder is better at 1 benchmark (OSWorld 2.1 (partial)).

Claude Haiku 5.5 shows notably better performance in the majority of benchmarks.

Mon Oct 12 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Claude Haiku 5.5 costs less

For input processing, Claude Haiku 5.5 ($0.10/1M tokens) is 40.0x cheaper than Muse Wonder ($4.00/1M tokens).

For output processing, Claude Haiku 5.5 ($0.50/1M tokens) is 40.0x cheaper than Muse Wonder ($20.00/1M tokens).

In conclusion, Muse Wonder is more expensive than Claude Haiku 5.5.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Oct 12 2026 • llm-stats.com
Anthropic
Claude Haiku 5.5
Input tokens$0.10
Output tokens$0.50
Best providerAnthropic
Meta
Muse Wonder
Input tokens$4.00
Output tokens$20.00
Best providerMeta
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Muse Wonder accepts 1,048,576 input tokens compared to Claude Haiku 5.5's 1,000,000 tokens. Only Claude Haiku 5.5 specifies output context (128,000 tokens).

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Meta
Muse Wonder
Input1,048,576 tokens
Output- tokens
Mon Oct 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Haiku 5.5 and Muse Wonder support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Haiku 5.5

Text
Images
Audio
Video

Muse Wonder

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Haiku 5.5

Proprietary

Closed source

Muse Wonder

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Muse Wonder was released on 2026-10-12.

Muse Wonder is 0 month newer than Claude Haiku 5.5.

Claude Haiku 5.5

Oct 7, 2026

5 days ago

Muse Wonder

Oct 12, 2026

0 days ago

5d newer

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while Muse Wonder's cutoff date is not specified.

We can confirm Claude Haiku 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without Muse Wonder's cutoff date.

Claude Haiku 5.5

Jun 2026

Muse Wonder

—

Provider Availability

Claude Haiku 5.5 is available from Anthropic. Muse Wonder is available from Meta Model API.

Claude Haiku 5.5

anthropic logo
Anthropic
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

Muse Wonder

meta logo
Meta
Input Price:Input: $4.00/1MOutput Price:Output: $20.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Haiku 5.5 and Muse Wonder side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Muse Wonder
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Muse Wonder.

Which is better, Claude Haiku 5.5 or Muse Wonder?

Claude Haiku 5.5 and Muse Wonder are closely matched on the LLM Stats Score at 50.1 and 47.9. Claude Haiku 5.5 is made by Anthropic and Muse Wonder is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Haiku 5.5 compare to Muse Wonder in benchmarks?

Claude Haiku 5.5 scores Global-MMLU: 87.8%, MILU: 87.6%, BenchCAD (with Python tool): 87.0%, Chartography: 86.2%, SWE-bench Multilingual: 83.7%. Muse Wonder scores MemoryBench: 85.6%, DeepSWE 1.1: 78.8%, OSWorld 2.1 (partial): 72.6%, JobBench: 70.5%, HealthBench Professional: 60.5%.

Is Claude Haiku 5.5 cheaper than Muse Wonder?

Claude Haiku 5.5 is 40.0x cheaper for input tokens. Claude Haiku 5.5 costs $0.10/M input and $0.50/M output via anthropic. Muse Wonder costs $4.00/M input and $20.00/M output via meta.

What are the context window sizes for Claude Haiku 5.5 and Muse Wonder?

Claude Haiku 5.5 supports 1.0M tokens and Muse Wonder supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Haiku 5.5 and Muse Wonder?

Key differences include LLM Stats Score (50.1 vs 47.9), context window (1.0M vs 1.0M), input pricing ($0.10 vs $4.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Muse Wonder?

Claude Haiku 5.5 is developed by Anthropic and Muse Wonder is developed by Meta.