STORY · MODELLER_

Anthropic launches Claude Fable 5 with 1M-token context window

Anthropic has launched Claude Fable 5 to general availability, featuring a 1 million token context window and pricing of $10 per million input tokens. The model outperforms competitors like GPT-5.5 on several benchmarks in software development, scientific research, and synthesis tasks.

WHY IT MATTERS

Fable 5 represents a significant technological leap with a substantially larger context window and improved performance on complex tasks, making it a major competitor in the market for advanced AI models.

SOURCES

MACHINE-GENERATED SUMMARY This summary is written by machine from the sources below. We sort and explain — but we are a way into the field, not the final word. Check the source when something matters to you.