Day 7 · 2026-10-30
15 launches checked60 claims quoted word for word87 user reports linked10 verified fixes linked6 corrections publishedLive 7 days5 of 5 founding sponsor spots left
Day 7Launch day vs. day 7
AI launches, checked against real usersLast re-stamped 30 Oct 2026

AI models / Compare

Gemini 4 Argon vs Muse Spark Open: which delivered after 7 days?

Gemini 4 Argon is stamped Partly; Muse Spark Open is still Too early to call, so this comparison isn't settled yet.

Gemini 4 ArgonMuse Spark Open
VerdictPartlyToo early
Claims held00
Claims mixed21
Claims failed10
Claims unclear13
User reports106
Launched13 Oct 202615 Oct 2026
Last stamped22 Oct 202625 Oct 2026

No. 005 · Google

Gemini 4 Argon

PartlyDay 7 verdict

It is live in the API and Gemini app, but the advertised 95% cache discount gave users zero cache hits, and many Pro and Business subscribers still can't use it in Antigravity.

Launched
13 Oct 2026
Stamped
22 Oct 2026
Claims
✓0 held · ~2 mixed · ✗1 failed · ?1 unclear
Reports
10 (1 praise · 8 problem · 1 mixed)

What they claimed

“Gemini 4 Argon is now globally available today for developers and enterprises via the API in AI Studio and Gemini platform, for Google AI Ultra subscribers in Google Antigravity, and Google AI Ultra and Pro subscribers in the Gemini app and AI Mode in Search.”
~ Mixed
“Today, we’re rolling out Gemini 4 Argon directly inside Google Antigravity for Google AI Pro and Ultra subscribers — available in the Antigravity desktop app and the Antigravity CLI.”
~ Mixed
“The model launches today at an introductory price of $2 per million input tokens and $10 per million output tokens (with cached input tokens at 95% off).”
✗ Fails
“Its depth and precision across multi-step tasks leads Argon to outperform other frontier models on benchmarks across domains, ranking #1 on the Vals Index”
? Unclear

Full receipt

No. 007 · Meta

Muse Spark Open

Too earlyDay 7 verdict

Ten days in, nobody independent has run the two-Mac-Studio setup, and Apple still lists the 512GB M5 Ultra as coming in late October.

Launched
15 Oct 2026
Stamped
25 Oct 2026
Claims
✓0 held · ~1 mixed · ✗0 failed · ?3 unclear
Reports
6 (2 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.”
~ Mixed
“Muse Spark Open is available today through API platforms at Baseten, Fireworks AI, Groq, Modal, Nebius, OpenRouter and Together AI.”
? Unclear
“We’re releasing the weights under the Muse Model License with limited commercial terms, which allow many developers to use the model for free.”
? Unclear
“Muse Spark Open is a natively multimodal model with 816B total parameters (42B active) and a 1M-token context window.”
? Unclear

Full receipt

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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