2026-09-23
The Decoder
17 related
Anthropic says Opus 5.5 matches Fable 5.1 “on most tasks” while costing about 40% less to run than Opus 5; Opus 5.5 costs $4/1M input and $20/1M output tokens
Ask about this article... According to Anthropic, Opus 5.5 matches Claude Fable 5.1 “on most tasks” while costing about 40 percent less to run than Opus 5.
2026-09-04
The Deep View
24 related
OpenAI prices GPT-6 Astra at $10/1M input tokens and $50/1M output tokens, matching Anthropic's pricing for Claude Fable 5.1 and Claude Mythos 5.1
OpenAI's now infamous model that was part of the Hugging Face breach is about to be loose in the world, but with new safeguards.
2026-09-03
The Deep View
8 related
OpenAI prices GPT-6 Astra at $10/1M input tokens and $50/1M output tokens, matching Anthropic's pricing for Claude Fable 5.1
The Deep View:
2026-09-02
PCWorld
1 related
Claude Fable 5.1 and Mythos 5.1 are Anthropic's first models to watermark text outputs; a detection API is available to eligible groups as required under EU law
Ben Patterson /PCWorld:
Anthropic
77 related
Anthropic releases Claude Fable 5.1, which is generally available, and Mythos 5.1, for trusted partners and with cybersecurity and life sciences safeguards
We're introducing Claude Fable 5.1 and Claude Mythos 5.1. They're the world's most advanced models for coding and knowledge work …
2026-09-01
PCWorld
3 related
Claude Fable 5.1 and Mythos 5.1 are Anthropic's first models to watermark text outputs; a detection API is available to eligible groups as required under EU law
Ben Patterson /PCWorld:NEW
Anthropic
40 related
Anthropic unveils Claude Fable 5.1, which is generally available, and Mythos 5.1, for trusted partners and with cybersecurity and life sciences safeguards
We're introducing Claude Fable 5.1 and Claude Mythos 5.1. They're the world's most advanced models for coding and knowledge work …
2026-08-08
2026-08-07
Anthropic
6 related
Anthropic updates Claude Fable 5's biology safeguards to reduce false positives, cutting biology-related “fallbacks” by ~85% in testing across product surfaces
We're making updates to Claude Fable 5's biology safeguards in a way that substantially reduces false positives.
2026-07-19
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