Anthropic Launches Fable 5: Public Mythos-Class Model

Anthropic launched Claude Fable 5 and Claude Mythos 5 today — a Mythos-class model that tops nearly every benchmark. Fable 5 is available to the public via API and Amazon Bedrock at $10/M input and $50/M output tokens, less than half the price of Mythos Preview. Mythos 5, the unrestricted …

Claude Opus 4.7 Ships, Sonnet 4.8 Leak Raises Questions

Claude Opus 4.7 Ships, Sonnet 4.8 Leak Raises Questions On April 16, 2026, Anthropic released Claude Opus 4.7 (model ID: claude-opus-4-7) to general availability across its own API as well as Amazon Bedrock, Google Vertex AI, and Microsoft Foundry. The pricing held steady at $5 per million input tokens and …