Unverified50% confidenceFactTime unknown
GPT 5.5 Instant has roughly halved its hallucination rate in medical and legal domains compared to its predecessor.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Related Claims
UnverifiedGPT 5.5即时版在医疗和法律领域的幻觉率大约降低了一半80% similarUnverifiedInformation about GPT 5.5 Instant's hallucination improvements was disclosed by TechChange, The Word, and other media outlets77% similarPartially VerifiedOpenAI upgraded ChatGPT's default model to GPT 5.5 Instant, which reduced hallucinations by 52.5% compared to its predecessor in internal testing.73% similarUnverifiedGPT 5.1号称在简单任务上比GPT 5快2倍，复杂任务深度提升2倍，幻觉降低56%71% similarUnverifiedGPT 5.5 Instant significantly reduces the probability of hallucinations when handling complex logical reasoning in sensitive domains compared to its predecessors70% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/56250API
curl https://kongchang.com/api/v1/knowledge/claims/56250MCP
get_claim(id=56250)