🤖Anthropic Ships Claude Fable 5: 1M Context, $10/$50
TL;DR
Anthropic made its Mythos-class model generally available as Claude Fable 5 on June 9, claiming state-of-the-art results across coding, vision, and science. It runs a 1M-token context with 128K output, priced at $10/$50 per million tokens.
Anthropic made its Mythos-class model generally available as Claude Fable 5 on June 9, claiming state-of-the-art results across coding, vision, and science. It runs a 1M-token context with 128K output, priced at $10/$50 per million tokens. Conservative safeguards reroute under 5% of sessions to Opus 4.8.
Key Points
Generally available June 9 on Claude API, AWS Bedrock, Vertex AI, and Microsoft Foundry
1M-token context window, 128K max output, January 2026 knowledge cutoff
Priced $10/M input and $50/M output, under half the cost of the earlier Mythos Preview
Stripe ran a codebase-wide migration in a day that it estimated would take a team two-plus months
Restricted-access Mythos 5 ships to cyberdefenders via Project Glasswing with the US government
Why It Matters
A frontier-grade model at commodity pricing pushes the cost question to the center of every build-vs-buy decision this quarter.
Quick Facts
Frequently Asked Questions
Why does this matter?
A frontier-grade model at commodity pricing pushes the cost question to the center of every build-vs-buy decision this quarter.
What happened?
Anthropic made its Mythos-class model generally available as Claude Fable 5 on June 9, claiming state-of-the-art results across coding, vision, and science. It runs a 1M-token context with 128K output, priced at $10/$50 per million tokens.
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