Model Comparison

Muse Spark 1.1 vs o3-miniWhich is better in 2026?

Comparing Muse Spark 1.1 and o3-mini across benchmarks, pricing, and capabilities.

Verdict: Muse Spark 1.1 vs o3-mini — which is better?

Muse Spark 1.1 (by Meta) and o3-mini (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.

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…

  • 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 o3-mini if…

  • you want predictable pricing at $1.10/M input and $4.40/M output

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Muse Spark 1.1 and o3-minidon'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

o3-mini costs less

For input processing, Muse Spark 1.1 ($1.25/1M tokens) is 1.1x more expensive than o3-mini ($1.10/1M tokens).

For output processing, Muse Spark 1.1 ($4.25/1M tokens) is 1.0x cheaper than o3-mini ($4.40/1M tokens).

In conclusion, Muse Spark 1.1 is more expensive than o3-mini.*

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

Lowest available price from all providers
Sun Jul 19 2026 • llm-stats.com
Meta
Muse Spark 1.1
Input tokens$1.25
Output tokens$4.25
Best providerMeta
OpenAI
o3-mini
Input tokens$1.10
Output tokens$4.40
Best providerAzure
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 o3-mini's 200,000 tokens. Muse Spark 1.1 can generate longer responses up to 131,072 tokens, while o3-mini is limited to 100,000 tokens.

Meta
Muse Spark 1.1
Input1,048,576 tokens
Output131,072 tokens
OpenAI
o3-mini
Input200,000 tokens
Output100,000 tokens
Sun Jul 19 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Muse Spark 1.1 supports multimodal inputs, whereas o3-mini 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

o3-mini

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

o3-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Spark 1.1 was released on 2026-07-09, while o3-mini was released on 2025-01-30.

Muse Spark 1.1 is 18 months newer than o3-mini.

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

1.4yr newer
o3-mini

Jan 30, 2025

1.5 years ago

Knowledge Cutoff

When training data ends

o3-mini has a documented knowledge cutoff of 2023-09-30, while Muse Spark 1.1's cutoff date is not specified.

We can confirm o3-mini's training data extends to 2023-09-30, but cannot make a direct comparison without Muse Spark 1.1's cutoff date.

Muse Spark 1.1

—

o3-mini

Sep 2023

Provider Availability

Muse Spark 1.1 is available from Meta Model API. o3-mini is available from Azure, OpenAI.

Muse Spark 1.1

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

o3-mini

azure logo
Azure
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M
openai logo
OpenAI
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M
* 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 output tokens
OpenAI
Less expensive input tokens

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Muse Spark 1.1 and o3-mini side-by-side, then vote on the output you prefer.

Muse Spark 1.1
✓ Preferred
o3-mini
Open in Playground
AI Model Comparison Table
Feature
Meta
Muse Spark 1.1
OpenAI
o3-mini

FAQ

Common questions about Muse Spark 1.1 vs o3-mini.

Which is better, Muse Spark 1.1 or o3-mini?

Muse Spark 1.1 (Meta) and o3-mini (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 o3-mini 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%. o3-mini scores COLLIE: 98.7%, MATH: 97.9%, IFEval: 93.9%, MGSM: 92.0%, AIME 2024: 87.3%.

Is Muse Spark 1.1 cheaper than o3-mini?

o3-mini is 1.1x cheaper for input tokens. Muse Spark 1.1 costs $1.25/M input and $4.25/M output via meta. o3-mini costs $1.10/M input and $4.40/M output via azure.

What are the context window sizes for Muse Spark 1.1 and o3-mini?

Muse Spark 1.1 supports 1.0M tokens and o3-mini supports 200K 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 o3-mini?

Key differences include context window (1.0M vs 200K), input pricing ($1.25 vs $1.10/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark 1.1 and o3-mini?

Muse Spark 1.1 is developed by Meta and o3-mini is developed by OpenAI.

Related comparisons