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OpenAI launches GPT-6.1 Sol, replaces GPT-6.1 Astra

On September 29, 2026, OpenAI introduced GPT-6.1 Sol, which offers near-Astra intelligence at a significantly lower cost. The company decided to scrap the release of GPT-6.1 Astra due to safety concerns.

Why it matters

This change affects users seeking advanced AI capabilities at a reduced price while highlighting ongoing safety issues in AI development.

Read from 7 reports across 4 independent newsrooms. Model gpt-4o-mini, 11d ago.

Measured

reports7articles grouped
independent newsrooms4aggregators excluded
all publishers6including aggregators
importance84corroboration-weighted
momentum0reports in last 24h
persistence76hours of coverage

Importance weights independent corroboration far above article count. A wire story carried by fifty outlets is one story; four separate newsrooms each choosing to report something is a development.

Feeds these signals

Entities

OpenAIcompany5GPT-6.1 Solproduct2Anthropiccompany2GPT-6 Solproduct2GPT-6 Astraproduct1GPT-6.1 Astraproduct1

Every report

7 articles · 29 Sep 02:54 onward

The full evidence, oldest first. How each one joined is shown, so a wrong grouping is diagnosable rather than merely present.

whenheadlinepublisherjoined
30 Sep 09:59GPT-6.1 Sol replaces GPT-6 Sol after just 7 days, with near-Astra intelligenceartificialanalysis.ai
aggregator
seed
29 Sep 02:54OpenAI scraps GPT-6.1 Astra release over safety, Anthropic warns of AI risks in IPO filingindianexpress.com0.79 · semantic_entity · 1 shared
29 Sep 14:22OpenAI says planned GPT-6.1 is too insecure to releasearstechnica.com0.72 · semantic_entity · 1 shared
29 Sep 15:45OpenAI shelves GPT-6.1 Astra over safety concerns, halts October releasethehindu.com0.69 · semantic_entity · 1 shared
29 Sep 17:06GPT 6.1 Sol: Near-Astra intelligence for a fifth of the priceopenai.com
aggregator
0.82 · semantic_strong
29 Sep 17:15OpenAI launches GPT-6.1 Sol, says it nearly matches GPT-6 Astra and costs lesstechcrunch.com0.73 · semantic_entity · 1 shared
30 Sep 16:40GPT-6.1 Astra: Why OpenAI halted its releasethehindu.com0.85 · semantic_entity · 1 shared