Model Comparison
Gemini 2.5 Flash vs Muse Spark 1.1Which is better in 2026?
Muse Spark 1.1 significantly outperforms across most benchmarks. Gemini 2.5 Flash is 2.4x cheaper per token.
Verdict: Gemini 2.5 Flash vs Muse Spark 1.1 — which is better?
Gemini 2.5 Flash (by Google) and Muse Spark 1.1 (by Meta) 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.
Gemini 2.5 Flash outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 1 benchmark (Humanity's Last Exam). Muse Spark 1.1 significantly outperforms across most benchmarks.
On price, Gemini 2.5 Flash is roughly 2.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Choose Gemini 2.5 Flash if…
- cost matters — it's about 2.4x cheaper per token
Choose Muse Spark 1.1 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you want the most recent training data — it shipped Jul 2026
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 2.5 Flash outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 1 benchmark (Humanity's Last Exam).
Muse Spark 1.1 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 2.5 Flash ($0.30/1M tokens) is 4.2x cheaper than Muse Spark 1.1 ($1.25/1M tokens).
For output processing, Gemini 2.5 Flash ($2.50/1M tokens) is 1.7x cheaper than Muse Spark 1.1 ($4.25/1M tokens).
In conclusion, Muse Spark 1.1 is more expensive than Gemini 2.5 Flash.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. Muse Spark 1.1 can generate longer responses up to 131,072 tokens, while Gemini 2.5 Flash is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Both Gemini 2.5 Flash and Muse Spark 1.1 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 2.5 Flash
Muse Spark 1.1
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 2.5 Flash was released on 2025-05-20, while Muse Spark 1.1 was released on 2026-07-09.
Muse Spark 1.1 is 14 months newer than Gemini 2.5 Flash.
May 20, 2025
1.2 years ago
Jul 9, 2026
1 weeks ago
1.1yr newerKnowledge Cutoff
When training data ends
Gemini 2.5 Flash has a documented knowledge cutoff of 2025-01-31, while Muse Spark 1.1's cutoff date is not specified.
We can confirm Gemini 2.5 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without Muse Spark 1.1's cutoff date.
Jan 2025
—
Provider Availability
Gemini 2.5 Flash is available from Google. Muse Spark 1.1 is available from Meta Model API.
Gemini 2.5 Flash
Muse Spark 1.1
Outputs Comparison
Key Takeaways
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Gemini 2.5 Flash and Muse Spark 1.1 side-by-side, then vote on the output you prefer.
| Feature |
|---|
FAQ
Common questions about Gemini 2.5 Flash vs Muse Spark 1.1.