Day 7 · 2026-10-30
15 launches checked60 claims quoted word for word113 user reports linked10 verified fixes linked26 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 GPT-6.1 Terra: which delivered after 7 days?

Gemini 4 Argon is stamped Partly; GPT-6.1 Terra is still Too early to call, so this comparison isn't settled yet.

Gemini 4 ArgonGPT-6.1 Terra
VerdictPartlyToo early
Claims held23
Claims mixed10
Claims failed11
Claims unclear00
User reports102
Launched13 Oct 202626 Oct 2026
Last stamped30 Oct 202630 Oct 2026

No. 005 · Google

Gemini 4 Argon

PartlyDay 7 verdict

Live and priced as promised, and the cache discount does work under conditions, but Pro subscribers did not get Antigravity at launch as claimed.

Launched
13 Oct 2026
Stamped
30 Oct 2026
Claims
✓2 held · ~1 mixed · ✗1 failed · ?0 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.”
✗ Fails
“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).”
✓ Holds
“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”
✓ Holds

Full receipt

No. 011 · OpenAI

GPT-6.1 Terra

Day 4 of 7
Too earlyDay 7 verdict

Cheap and the coding gain is real, but independent timing finds it about 15 to 25% faster than Sol, nowhere near 3x.

Launched
26 Oct 2026
Stamped
30 Oct 2026
Claims
✓3 held · ~0 mixed · ✗1 failed · ?0 unclear
Reports
2 (0 praise · 0 problem · 2 mixed)

What they claimed

“At max effort, Terra is over three times as token efficient as Claude Opus 5.5, and one-fourth its price per token, resulting in a ~9x lower cost per task.”
✓ Holds
“Terra is also much quicker, completing tasks over three times faster than both GPT-6 Astra and GPT-6.1 Sol.”
✗ Fails
“At maximum reasoning effort, GPT‑6.1 Terra solves 50.3% of tasks, more than double GPT‑5.6 Terra’s published score of 21.5%.”
✓ Holds
“Standard API pricing is $1 per million input tokens, $0.05 per million cached input tokens, and $5 per million output tokens.”
✓ Holds

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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