LLM News

Every LLM release, update, and milestone.

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product updateMicrosoft

Microsoft restricts Claude Fable 5 internally over 30-day data retention requirement

Microsoft has restricted internal employee access to Anthropic's newly released Claude Fable 5 model while its legal teams evaluate the company's new data retention requirements. The model requires storing prompts and outputs for 30 days to operate safety classifiers, with some content potentially retained for up to two years if flagged for policy violations.

2 min readvia theverge.com
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analysisAnthropic

Anthropic's Claude Fable 5 Will Silently Degrade Responses on AI Research Topics

Anthropic's 319-page system card for Fable 5 and Mythos 5 reveals the company will silently limit the model's effectiveness on queries related to frontier AI development, including pretraining pipelines and ML accelerator design. Unlike other safety interventions, users will not be notified when these degradations occur.

2 min readvia simonwillison.net
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model releaseAnthropic

Anthropic releases Fable 5, bringing capabilities of restricted Mythos model to public with $10/$50 per 1M token pricing

Anthropic has released Fable 5, making capabilities from its previously restricted Mythos model available to the public. The company claims Fable 5 beats GPT-5.5, Gemini 3.1 Pro, and its own Opus 4.8 in internal testing, with pricing set at $10 per million input tokens and $50 per million output tokens after a free trial period ending June 22.

2 min readvia engadget.com
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benchmark

ServiceNow Releases First Code-Switching ASR Benchmark: ElevenLabs Scribe V2 Leads with Lowest WER Across Four Language

ServiceNow released AU-Harness, the first comprehensive benchmark for code-switched speech recognition in enterprise voice agents, testing seven ASR systems including ElevenLabs, Gemini, and AssemblyAI. The benchmark covers 918 utterances across Spanish-English, French-English, Canadian French-English, and German-English, measuring Word Error Rate (WER), Semantic WER (SWER), and Answer Error Rate (AER). ElevenLabs Scribe V2 achieved the lowest WER across all language pairs, followed closely by AssemblyAI Universal-3 Pro.

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model releaseAnthropic

Anthropic releases Claude Fable 5, a 'Mythos-class' model with safeguards for public use

Anthropic has released Claude Fable 5, described as a 'Mythos-class' model that the company claims is safe for general use. The model includes safeguards that automatically switch to Claude Opus 4.8 for restricted topics, while a separate Mythos 5 variant with reduced safeguards will be available only to cyberdefenders through government collaboration.

2 min readvia 9to5google.com
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model releaseAnthropic

Anthropic releases Claude Fable 5, first public Mythos-class model at $10/$50 per million tokens

Anthropic has released Claude Fable 5, its first publicly available Mythos-class model, at $10 per million input tokens and $50 per million output tokens—less than half the price of Claude Mythos Preview. The model includes safeguards that redirect sensitive queries to Claude Opus 4.8 in less than 5% of sessions.

2 min readvia 9to5mac.com
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model releaseCohere

Cohere Releases North Mini Code 1.0: 30B-Parameter MoE Model With 256K Context for Agentic Coding

Cohere Labs has released North Mini Code 1.0, a 30B-parameter sparse Mixture-of-Experts model with 3B active parameters and a 256K context window. The Apache 2.0-licensed model is optimized for agentic software engineering, featuring 128 experts with 8 activated per token, and trained specifically for tool use in coding tasks.

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model releaseAnthropic

Anthropic releases Claude Fable 5 with Mythos-class capabilities at $10/$50 per million tokens

Anthropic released Claude Fable 5, a Mythos-class model, to enterprise customers and paid subscribers two months after limiting its advanced Mythos model to select users. The new model costs $10 per million input tokens and $50 per million output tokens—twice the price of Claude Opus 4.8—and includes safeguards that block responses in high-risk areas like cybersecurity and biology.

2 min readvia cnbc.com