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GPT-6 Terra reportedly appears in API as a cheaper alternative to Sol

A leak claims OpenAI is testing gpt-6-terra internally, keeping most of Sol's capabilities at lower cost with fewer rate limits, possibly as the default for coding and agents.

Mehdi
@MehdiCadeArchived 2026.09.16Originally posted 2026.09.15
GPT-6 Terra reportedly appears in API as a cheaper alternative to Sol
Mehdi @MehdiCadeOriginally posted 2026.09.15
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🚨 GPT-6 TERRA LEAKS: BEATS SOL & OPUS? >“gpt-6-terra” reportedly appeared in the OpenAI API >OpenAI is allegedly already testing Terra internally >Said to retain most of Sol’s useful intelligence at a much lower cost >Faster responses + fewer rate-limit headaches >Could become the default GPT-6 for coding, docs and agents >Astra would remain the flagship reasoning mode Could Terra become the new go-to GPT-6 for most users?

x.com/mehdicade/status/2099567894333993088Archived 2026.09.16 19:25