Thinking Machines reduced its internal misbehavior score from 75.2 for the original Inkling Small to 14.9 for Inkling 2 Small, compared to 0.8 for GPT-6.1 Sol

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Claude Fable 5.2 and Claude Mythos 5.2 are built on the same underlying model, but Fable 5.2 includes classifiers that block high-risk cybersecurity and research biology tasks

Anthropic restricted access to Claude Mythos 5.2 to vetted organizations through its Cyber Verification Program and Life Sciences Verification Program

When Fable 5.2 blocks a request due to safety guardrails, requests fall back to Opus 4.8 for cybersecurity and Opus 5 for biology queries

Anthropic warned in its initial public offering filing that artificial intelligence technology could pose catastrophic or existential risks to humanity without adequate safeguards and oversight

Anthropic warned in its IPO prospectus that its AI models have previously exhibited autonomous or unintended behavior and that advances could outpace its safety controls

Anthropic was founded in 2021 by researchers who defected from OpenAI following disagreements regarding corporate governance and artificial intelligence safety

The release of Claude Fable 5.2 and Mythos 5.2 marks Anthropic's first frontier model launch since CEO Dario Amodei advocated slowing AI development in September 2026

On an 803-prompt evaluation set created by Nous Research, Arete-27B reduced the proportion of responses containing Chinese state propaganda from 22 percent to 0.9 percent

In the freedom of expression evaluation category, Arete-27B reduced the propaganda response rate from 60 percent to 1 percent while raising the factual accuracy score from 0.89 to 2.44

Arete-27B raised the factual accuracy score on the Nous Research benchmark to 2.98 out of 5, compared to 2.32 out of 5 for base Qwen3.8-27B

Nous Research evaluated Arete-27B using xAI's Grok 4.7 as a judge model to grade 803 prompts across seven value categories against facts from cited sources

On the 803-prompt Propaganda_Eval benchmark, answers scoring zero on factual accuracy dropped from 359 for Qwen3.8-27B to 216 for Arete-27B

The European Commission stated that ByteDance Ltd.-owned TikTok failed to assess or mitigate the risks stemming from its recommendation system

Dina Powell McCormick stated at the WSJ Tech conference that local opposition to data centers reflects an underlying public anxiety regarding artificial intelligence technology as a whole

Dina Powell McCormick acknowledged at the WSJ Tech conference that the tech industry has failed to adequately explain the societal and local economic benefits of AI data center investments

Inkling 2 Small scored 46.8% on EnterpriseOps-Gym, outperforming open alternatives like GLM-5.3 and Anthropic's Claude Sonnet 5

Inkling 2 Small achieved an Intelligence Index score of 31 from Artificial Analysis, matching Gemini 3.8 Flash and positioning it as the top western open-weight model on the benchmark

On Surge AI's EnterpriseBench-CoreCraft benchmark, Inkling 2 Small scored 71.8%, placing third overall behind Anthropic's Claude Fable 5.1 at 77.4% and Claude Opus 5.5 at 74.4%

Artificial Analysis reported that Inkling 2 Small generated 154 million output tokens during its Intelligence Index evaluation compared to a median of 89.8 million tokens among comparable models

On Artificial Analysis's AA-Omniscience v1.1 evaluation, Inkling 2 Small reduced its hallucination rate to 27% from the previous Inkling Small's 61%, while accuracy rose from 32% to 34%