Gemini 3.5 Flash vs Muse Spark 1.2
Gemini 3.5 Flash and Muse Spark 1.2 are closely matched at 43.6 and 41.1 on the LLM Stats Score. Muse Spark 1.2 is 27.0x cheaper per token.
Google · Meta · Updated for 2026
Which is better?
Gemini 3.5 Flash and Muse Spark 1.2 are closely matched on the overall LLM Stats Score at 43.6 and 41.1.
In the 1 individual benchmarks reported for both models, Muse Spark 1.2 wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, Muse Spark 1.2 is roughly 27.0x 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 3.5 Flash
- you want predictable pricing at $1.50/M input and $9.00/M output
Choose Muse Spark 1.2
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- cost matters — it's about 27.0x cheaper per token
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Individual benchmarks
16 reported for Gemini 3.5 Flash · 3 for Muse Spark 1.2
Gemini 3.5 Flash outperforms in 0 benchmarks, while Muse Spark 1.2 is better at 1 benchmark (DeepSWE 1.1).
Muse Spark 1.2 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3.5 Flash ($1.50/1M tokens) is 15.0x more expensive than Muse Spark 1.2 ($0.10/1M tokens).
For output processing, Gemini 3.5 Flash ($9.00/1M tokens) is 45.0x more expensive than Muse Spark 1.2 ($0.20/1M tokens).
In conclusion, Gemini 3.5 Flash is more expensive than Muse Spark 1.2.*
* 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 1.2 can generate longer responses up to 131,072 tokens, while Gemini 3.5 Flash is limited to 65,536 tokens.
Input capabilities
Documented input modalities across available providers
Both Gemini 3.5 Flash and Muse Spark 1.2 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3.5 Flash
Muse Spark 1.2
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 3.5 Flash was released on 2026-05-19, while Muse Spark 1.2 was released on 2026-08-05.
Muse Spark 1.2 is 3 months newer than Gemini 3.5 Flash.
May 19, 2026
3 months ago
Aug 5, 2026
3 weeks ago
2mo newerKnowledge Cutoff
When training data ends
Gemini 3.5 Flash has a documented knowledge cutoff of 2026-01-31, while Muse Spark 1.2's cutoff date is not specified.
We can confirm Gemini 3.5 Flash's training data extends to 2026-01-31, but cannot make a direct comparison without Muse Spark 1.2's cutoff date.
Jan 2026
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Provider Availability
Gemini 3.5 Flash is available from Google. Muse Spark 1.2 is available from Meta Model API.
Gemini 3.5 Flash
Muse Spark 1.2
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 3.5 Flash and Muse Spark 1.2 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 3.5 Flash vs Muse Spark 1.2.