Model Comparison

Muse Spark 1.1 vs o1-previewWhich is better in 2026?

Comparing Muse Spark 1.1 and o1-preview across benchmarks, pricing, and capabilities.

Verdict: Muse Spark 1.1 vs o1-preview — which is better?

Muse Spark 1.1 (by Meta) and o1-preview (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, Muse Spark 1.1 is roughly 13.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Muse Spark 1.1 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Muse Spark 1.1 if…

  • cost matters — it's about 13.1x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Jul 2026

Choose o1-preview if…

  • you want predictable pricing at $15.00/M input and $60.00/M output

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Muse Spark 1.1 and o1-previewdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Muse Spark 1.1 costs less

For input processing, Muse Spark 1.1 ($1.25/1M tokens) is 12.0x cheaper than o1-preview ($15.00/1M tokens).

For output processing, Muse Spark 1.1 ($4.25/1M tokens) is 14.1x cheaper than o1-preview ($60.00/1M tokens).

In conclusion, o1-preview is more expensive than Muse Spark 1.1.*

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

Lowest available price from all providers
Sat Jul 18 2026 • llm-stats.com
Meta
Muse Spark 1.1
Input tokens$1.25
Output tokens$4.25
Best providerMeta
OpenAI
o1-preview
Input tokens$15.00
Output tokens$60.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Muse Spark 1.1 accepts 1,048,576 input tokens compared to o1-preview's 128,000 tokens. Muse Spark 1.1 can generate longer responses up to 131,072 tokens, while o1-preview is limited to 32,768 tokens.

Meta
Muse Spark 1.1
Input1,048,576 tokens
Output131,072 tokens
OpenAI
o1-preview
Input128,000 tokens
Output32,768 tokens
Sat Jul 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Muse Spark 1.1 supports multimodal inputs, whereas o1-preview does not.

Muse Spark 1.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Muse Spark 1.1

Text
Images
Audio
Video

o1-preview

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.

Muse Spark 1.1

Proprietary

Closed source

o1-preview

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Spark 1.1 was released on 2026-07-09, while o1-preview was released on 2024-09-12.

Muse Spark 1.1 is 22 months newer than o1-preview.

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

1.8yr newer
o1-preview

Sep 12, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Muse Spark 1.1 is available from Meta Model API. o1-preview is available from OpenAI, Azure.

Muse Spark 1.1

meta logo
Meta
Input Price:Input: $1.25/1MOutput Price:Output: $4.25/1M

o1-preview

openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $60.00/1M
azure logo
Azure
Input Price:Input: $16.50/1MOutput Price:Output: $66.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Meta
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
OpenAI

No standout differentiators in the data we have for this pair.

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Muse Spark 1.1 and o1-preview side-by-side, then vote on the output you prefer.

Muse Spark 1.1
✓ Preferred
o1-preview
Open in Playground
AI Model Comparison Table
Feature
Meta
Muse Spark 1.1
OpenAI
o1-preview

FAQ

Common questions about Muse Spark 1.1 vs o1-preview.

Which is better, Muse Spark 1.1 or o1-preview?

Muse Spark 1.1 (Meta) and o1-preview (OpenAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Muse Spark 1.1 compare to o1-preview in benchmarks?

Muse Spark 1.1 scores CharXiv-R: 88.4%, MCP Atlas: 88.1%, OSWorld-Verified: 80.8%, Terminal-Bench 2.1: 80.0%, BabyVision: 76.3%. o1-preview scores MGSM: 90.8%, MMLU: 90.8%, MATH: 85.5%, GPQA: 73.3%, LiveBench: 52.3%.

Is Muse Spark 1.1 cheaper than o1-preview?

Muse Spark 1.1 is 12.0x cheaper for input tokens. Muse Spark 1.1 costs $1.25/M input and $4.25/M output via meta. o1-preview costs $15.00/M input and $60.00/M output via openai.

What are the context window sizes for Muse Spark 1.1 and o1-preview?

Muse Spark 1.1 supports 1.0M tokens and o1-preview supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Muse Spark 1.1 and o1-preview?

Key differences include context window (1.0M vs 128K), input pricing ($1.25 vs $15.00/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark 1.1 and o1-preview?

Muse Spark 1.1 is developed by Meta and o1-preview is developed by OpenAI.

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