Expired50% confidenceEventExact time
OpenAI discontinued two previous model checkpoints alongside the launch of GPT 5.6 internal testing
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
GPT 5.6 Internal Testing Codename Revealed, Google Pays SpaceX $920M Monthly for Computing Power
bilibiliinfinite灵感港6/6/2026
Related Claims
UnverifiedAfter GPT-3, OpenAI gradually stopped releasing full model weights and provides access only through a paid API.67% similarUnverifiedOpenAI avoided disclosing SWE Bench Pro scores in the GPT-5.6 release materials.65% similarVerifiedThe development cycle of GPT-5.6 is currently fully underway at OpenAI, with the first batch of checkpoints having begun internal testing over the past few days.65% similarUnverifiedOpenAI has not disclosed complete technical details since GPT-3, and GPT-4 strictly keeps key information such as model architecture, parameter scale, and training data confidential65% similar
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