The AI arena is free today

Open Superagent

Gemini 1.5 Flash 8B vs Muse Spark Open

Muse Spark Open leads the LLM Stats Score 44.9 to -1.1. Gemini 1.5 Flash 8B is 15.7x cheaper per token.

Google · Meta · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 44.9 to -1.1, 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, Gemini 1.5 Flash 8B is roughly 15.7x 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 1.5 Flash 8B

  • cost matters — it's about 15.7x cheaper per token

Choose Muse Spark Open

  • overall performance matters — it scores 44.9 and ranks #43 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • 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.

Core performance indexes
-1.1
#355
44.9
#43
-0.7
#346
45.2
#39
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.07 / M
$1.25 / M
Output price
$0.30 / 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 1.5 Flash 8B
Muse Spark Open
2.4#304
31.6#69
-2.6#211
31.2#34
0.1#172
33.1#20
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Gemini 1.5 Flash 8B · 17 for Muse Spark Open

1 shared

Gemini 1.5 Flash 8B 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

Gemini 1.5 Flash 8B costs less

For input processing, Gemini 1.5 Flash 8B ($0.07/1M tokens) is 17.9x cheaper than Muse Spark Open ($1.25/1M tokens).

For output processing, Gemini 1.5 Flash 8B ($0.30/1M tokens) is 14.2x cheaper than Muse Spark Open ($4.25/1M tokens).

In conclusion, Muse Spark Open is more expensive than Gemini 1.5 Flash 8B.*

* 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 1.5 Flash 8B
Input tokens$0.07
Output tokens$0.30
Best providerGoogle
Meta
Muse Spark Open
Input tokens$1.25
Output tokens$4.25
Best providerTogether
Notice missing or incorrect data?

Model Size

Parameter count comparison

808.0B diff

Muse Spark Open has 808.0B more parameters than Gemini 1.5 Flash 8B, making it 10100.0% larger.

Google
Gemini 1.5 Flash 8B
8.0Bparameters
Meta
Muse Spark Open
816.0Bparameters
8.0B
Gemini 1.5 Flash 8B
816.0B
Muse Spark Open

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 1.5 Flash 8B is limited to 8,192 tokens.

Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 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 1.5 Flash 8B and Muse Spark Open support multimodal inputs.

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

Gemini 1.5 Flash 8B

Text
Images
Audio
Video

Muse Spark Open

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 1.5 Flash 8B 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 1.5 Flash 8B

Proprietary

Closed source

Muse Spark Open

Muse Model License

Open weights

Release Timeline

When each model was launched

Gemini 1.5 Flash 8B was released on 2024-03-15, while Muse Spark Open was released on 2026-10-15.

Muse Spark Open is 31 months newer than Gemini 1.5 Flash 8B.

Gemini 1.5 Flash 8B

Mar 15, 2024

2.6 years ago

Muse Spark Open

Oct 15, 2026

4 days ago

2.6yr newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a documented knowledge cutoff of 2024-10-01, while Muse Spark Open's cutoff date is not specified.

We can confirm Gemini 1.5 Flash 8B's training data extends to 2024-10-01, but cannot make a direct comparison without Muse Spark Open's cutoff date.

Gemini 1.5 Flash 8B

Oct 2024

Muse Spark Open

—

Provider Availability

Gemini 1.5 Flash 8B is available from Google. Muse Spark Open is available from Together.

Gemini 1.5 Flash 8B

google logo
Google
Input Price:Input: $0.07/1MOutput Price:Output: $0.30/1M

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 1.5 Flash 8B and Muse Spark Open side-by-side, then vote on the output you prefer.

Gemini 1.5 Flash 8B
✓ Preferred
Muse Spark Open
Open in Playground

FAQ

Common questions about Gemini 1.5 Flash 8B vs Muse Spark Open.

Which is better, Gemini 1.5 Flash 8B or Muse Spark Open?

Muse Spark Open leads the LLM Stats Score 44.9 to -1.1. Gemini 1.5 Flash 8B 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 1.5 Flash 8B compare to Muse Spark Open in benchmarks?

Gemini 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%. 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 1.5 Flash 8B cheaper than Muse Spark Open?

Gemini 1.5 Flash 8B is 17.9x cheaper for input tokens. Gemini 1.5 Flash 8B costs $0.07/M input and $0.30/M output via google. Muse Spark Open costs $1.25/M input and $4.25/M output via together.

What are the context window sizes for Gemini 1.5 Flash 8B and Muse Spark Open?

Gemini 1.5 Flash 8B 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 1.5 Flash 8B and Muse Spark Open?

Key differences include LLM Stats Score (-1.1 vs 44.9), input pricing ($0.07 vs $1.25/M), licensing (Proprietary vs Muse Model License). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 1.5 Flash 8B and Muse Spark Open?

Gemini 1.5 Flash 8B is developed by Google and Muse Spark Open is developed by Meta.