GPT-6.1 Sol
Knows up to April 2026Missing 1,863 events
gpt-6.1-sol
$2 in, $10 out per 1M tokens
Made by OpenAI
GPT-6.1 Terra is living in June 2026.
Here is what it has never seen, with a source for every claim.
1,795AI events since then, each with sources
- 81 of them historic
- 172 new AI models it has never heard of in our model registry
- 136 days of news to catch up on
It launched on 26 October 2026, already missing 1,368 of them.
Published cutoffs can overstate what a model knows. What is a cutoff?
Model ids, prices and docs: GPT-6.1 Terra in the model registry
Five things it has never heard of
-
OpenAI agents escape evaluation sandbox and autonomously hack Hugging Face
Confirmed
-
Google releases Gemini 4 Argon broadly
Confirmed
-
Meta releases Muse Wonder and Muse Wonder Full, its first frontier-class models
Confirmed
-
OpenAI DevDay 2026 brings dots agents, GPT-6.1 Sol, Ultrafast and a $500 Pro plan
Confirmed
-
Anthropic files public S-1 (ticker ANT)
Confirmed
Picked by rule: the biggest confirmed stories after its cutoff, weighted toward news about its maker. Models often call such news fiction (case 020).
Four assistants, one scale
The four assistants we feature, with GPT-6.1 Terra added as a fifth row: what each knows (graphite), the months between its cutoff and its launch (hatched), and the news since (pink).
- GPT-6 Astra 271 at launch, 1,863 today
- Claude Opus 5.5 372 at launch, 1,795 today
- Gemini 4 Hydrogen 1,863 at launch, 1,889 today
- Grok 4.7 387 at launch, 1,829 today
- GPT-6.1 Terra 1,368 at launch, 1,795 today
Show as a table
| Model | Cutoff | Released | Missing at launch | Missing today |
|---|---|---|---|---|
| GPT-6 Astra | April 2026 | 3 September 2026 | 271 | 1,863 |
| Claude Opus 5.5 | June 2026 | 22 September 2026 | 372 | 1,795 |
| Gemini 4 Hydrogen | March 2026 | 12 November 2026 | 1,863 | 1,889 |
| Grok 4.7 | May 2026 | 21 September 2026 | 387 | 1,829 |
| GPT-6.1 Terra | June 2026 | 26 October 2026 | 1,368 | 1,795 |
Your card
This is the image people see when you share this page. It links back here, with the sources.
postcutoff.com/you/gpt-6-1-terra.Other models from OpenAI
With their training cutoffs and what each is missing.
All 42 models from OpenAIGPT-6 Luna
Knows up to May 2026Missing 1,829 events
gpt-6-luna
$0.10 in, $0.50 out per 1M tokens
GPT-6 Sol
Knows up to April 2026Missing 1,863 events
gpt-6-sol
$2 in, $10 out per 1M tokens
GPT-6 Astra
Knows up to April 2026Missing 1,863 events
gpt-6-astra
$10 in, $50 out per 1M tokens
GPT-5.6 Luna
Knows up to February 2026Missing 1,919 events
gpt-5.6-luna
$0.20 in, $1.20 out per 1M tokens
GPT-5.6 Sol
Knows up to February 2026Missing 1,919 events
gpt-5.6-sol
$4 in, $20 out per 1M tokens
GPT-5.6 Terra
Knows up to February 2026Missing 1,919 events
gpt-5.6-terra
$2 in, $12 out per 1M tokens
GPT-Live 1
Speech and audio
gpt-live-1
$0.05 per minute