AI models / Compare
Muse Spark Open vs Mistral Large 4: which delivered after 7 days?
Muse Spark Open is stamped Delivered; Mistral Large 4 is still Too early to call, so this comparison isn't settled yet.
| Muse Spark Open | Mistral Large 4 | |
|---|---|---|
| Verdict | Delivered | Too early |
| Claims held | 3 | 1 |
| Claims mixed | 0 | 0 |
| Claims failed | 0 | 0 |
| Claims unclear | 1 | 2 |
| User reports | 7 | 3 |
| Launched | 15 Oct 2026 | 29 Oct 2026 |
| Last stamped | 30 Oct 2026 | 31 Oct 2026 |
No. 007 · Meta
Muse Spark Open
The weights, licence and specs check out, and it's live on Baseten, Fireworks, Modal, Nebius and OpenRouter. The two-Mac-Studio desktop setup is still untested.
- Launched
- 15 Oct 2026
- Stamped
- 30 Oct 2026
- Claims
- ✓3 held · ~0 mixed · ✗0 failed · ?1 unclear
- Reports
- 7 (3 praise · 3 problem · 1 mixed)
What they claimed
“Muse Spark Open is the first model in its class to run on your desktop using two Apple M5 Ultra Mac Studios with the latest MLX framework.”? Unclear
“Muse Spark Open is available today through API platforms at Baseten, Fireworks AI, Groq, Modal, Nebius, OpenRouter and Together AI.”✓ Holds
“We’re releasing the weights under the Muse Model License with limited commercial terms, which allow many developers to use the model for free.”✓ Holds
“Muse Spark Open is a natively multimodal model with 816B total parameters (42B active) and a 1M-token context window.”✓ Holds
No. 017 · Mistral AI
Mistral Large 4
Day 2 of 7Weights are out, but few hands-on reports yet; the cybersecurity claim leans on one index and is untested by users.
- Launched
- 29 Oct 2026
- Stamped
- 31 Oct 2026
- Claims
- ✓1 held · ~0 mixed · ✗0 failed · ?2 unclear
- Reports
- 3 (0 praise · 3 problem · 0 mixed)
What they claimed
“ML4 is one of the world's strongest AI models for cybersecurity.”? Unclear
“We will release the weights by the end of the month.”✓ Holds
“significantly outperforming any open-weight model developed in the US or Europe”? Unclear
Both stamps come from the public user reports linked on each receipt, under the same method. Verdicts are opinion and are never paid for.
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