Expired80% confidenceFactTime unknown
In hallucination testing, both GPT-OSS 120B and 20B passed all six trap questions.
1
Sources
80%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedIn a Mermaid flowchart generation test, both GPT-OSS 120B and 20B generated code with syntax errors, and the test failed.70% similarUnverifiedGPT-5.6's proof employed 64 parallel sub-agents and introduced adversarial agents to challenge and verify each other.68% similarUnverifiedGPT-OSS exhibited serious hallucination issues in a web search functionality test, fabricating non-existent model version numbers (1.3B, 7B, 34B, 70B) and incorrect release dates.68% similarUnverifiedGPT-OSS 20B gave an incorrect answer in a classic logic reasoning test (determining who is lying).67% similarUnverifiedgpt-oss-20b is able to identify the same code issues as gemma4:12B at a faster speed.66% similar
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