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Gemini 2.5 Pro Preview 06-05 vs Muse Spark Open

Muse Spark Open leads the LLM Stats Score 44.9 to 29.7. Muse Spark Open is 1.7x cheaper per token.

Google · Meta · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 44.9 to 29.7, ranking #43 overall.

In the 1 individual benchmarks reported for both models, Muse Spark Open wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Muse Spark Open is roughly 1.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose Gemini 2.5 Pro Preview 06-05

  • you want predictable pricing at $1.25/M input and $10.00/M output

Choose Muse Spark Open

  • overall performance matters — it scores 44.9 and ranks #43 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • cost matters — it's about 1.7x cheaper per token
  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Gemini 2.5 Pro Preview 06-05
Google
Muse Spark Open
Meta
Core performance indexes
LLM Stats Score
29.7
#146
44.9
#43
Reasoning
28.1
#152
45.2
#39
Coding
16.6
#144
33.0
#42
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$1.25 / M
$1.25 / M
Output price
$10.00 / M
$4.25 / M
Context window
1,048,576
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Gemini 2.5 Pro Preview 06-05
Muse Spark Open
Math
21.7#152
31.6#69
Vision
18.6#95
31.2#34
Multimodal
24.6#64
33.1#20
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Gemini 2.5 Pro Preview 06-05 · 17 for Muse Spark Open

1 shared

Gemini 2.5 Pro Preview 06-05 outperforms in 0 benchmarks, while Muse Spark Open is better at 1 benchmark (GPQA).

Muse Spark Open significantly outperforms across most benchmarks.

Mon Oct 19 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Muse Spark Open costs less

For input processing, Gemini 2.5 Pro Preview 06-05 ($1.25/1M tokens) costs the same as Muse Spark Open ($1.25/1M tokens).

For output processing, Gemini 2.5 Pro Preview 06-05 ($10.00/1M tokens) is 2.4x more expensive than Muse Spark Open ($4.25/1M tokens).

In conclusion, Gemini 2.5 Pro Preview 06-05 is more expensive than Muse Spark Open.*

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

Lowest available price from all providers
Mon Oct 19 2026 • llm-stats.com
Google
Gemini 2.5 Pro Preview 06-05
Input tokens$1.25
Output tokens$10.00
Best providerGoogle
Meta
Muse Spark Open
Input tokens$1.25
Output tokens$4.25
Best providerTogether
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. Muse Spark Open can generate longer responses up to 1,048,576 tokens, while Gemini 2.5 Pro Preview 06-05 is limited to 65,535 tokens.

Google
Gemini 2.5 Pro Preview 06-05
Input1,048,576 tokens
Output65,535 tokens
Meta
Muse Spark Open
Input1,048,576 tokens
Output1,048,576 tokens
Mon Oct 19 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 2.5 Pro Preview 06-05 and Muse Spark Open support multimodal inputs.

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

Gemini 2.5 Pro Preview 06-05

Text
Images
Audio
Video

Muse Spark Open

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 2.5 Pro Preview 06-05 is licensed under a proprietary license, while Muse Spark Open uses Muse Model License.

License differences may affect how you can use these models in commercial or open-source projects.

Gemini 2.5 Pro Preview 06-05

Proprietary

Closed source

Muse Spark Open

Muse Model License

Open weights

Release Timeline

When each model was launched

Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05, while Muse Spark Open was released on 2026-10-15.

Muse Spark Open is 17 months newer than Gemini 2.5 Pro Preview 06-05.

Gemini 2.5 Pro Preview 06-05

Jun 5, 2025

1.4 years ago

Muse Spark Open

Oct 15, 2026

2 days ago

1.4yr newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro Preview 06-05 has a documented knowledge cutoff of 2025-01-31, while Muse Spark Open's cutoff date is not specified.

We can confirm Gemini 2.5 Pro Preview 06-05's training data extends to 2025-01-31, but cannot make a direct comparison without Muse Spark Open's cutoff date.

Gemini 2.5 Pro Preview 06-05

Jan 2025

Muse Spark Open

—

Provider Availability

Gemini 2.5 Pro Preview 06-05 is available from Google. Muse Spark Open is available from Together.

Gemini 2.5 Pro Preview 06-05

google logo
Google
Input Price:Input: $1.25/1MOutput Price:Output: $10.00/1M

Muse Spark Open

together logo
Together
Input Price:Input: $1.25/1MOutput Price:Output: $4.25/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 2.5 Pro Preview 06-05 and Muse Spark Open side-by-side, then vote on the output you prefer.

Gemini 2.5 Pro Preview 06-05
✓ Preferred
Muse Spark Open
Open in Playground

FAQ

Common questions about Gemini 2.5 Pro Preview 06-05 vs Muse Spark Open.

Which is better, Gemini 2.5 Pro Preview 06-05 or Muse Spark Open?

Muse Spark Open leads the LLM Stats Score 44.9 to 29.7. Gemini 2.5 Pro Preview 06-05 is made by Google and Muse Spark Open is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 2.5 Pro Preview 06-05 compare to Muse Spark Open in benchmarks?

Gemini 2.5 Pro Preview 06-05 scores Global-MMLU-Lite: 89.2%, AIME 2025: 88.0%, FACTS Grounding: 87.8%, GPQA: 86.4%, VideoMMMU: 83.6%. Muse Spark Open scores MCP Atlas: 89.2%, GPQA: 89.0%, OSWorld-Verified: 80.4%, BabyVision: 80.2%, Terminal-Bench 2.1: 76.4%.

Is Gemini 2.5 Pro Preview 06-05 cheaper than Muse Spark Open?

Both models cost $1.25 per million input tokens.

What are the context window sizes for Gemini 2.5 Pro Preview 06-05 and Muse Spark Open?

Gemini 2.5 Pro Preview 06-05 supports 1.0M tokens and Muse Spark Open 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 Gemini 2.5 Pro Preview 06-05 and Muse Spark Open?

Key differences include LLM Stats Score (29.7 vs 44.9), licensing (Proprietary vs Muse Model License). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 2.5 Pro Preview 06-05 and Muse Spark Open?

Gemini 2.5 Pro Preview 06-05 is developed by Google and Muse Spark Open is developed by Meta.

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