Grok Build 0.1 is 20.0× cheaper per million tokens (blended). Claude Fable 5 has the larger context window (1,000,000 vs 256,000 tokens, 3.9×).

Claude Fable 5 vs Grok Build 0.1

Live catalog fields. Best-in-row is highlighted.

Claude Fable 5

Anthropic · anthropic__claude-fable-5

Grok Build 0.1

xAI · x-ai__grok-build-0.1

Identity

Fieldanthropic__claude-fable-5x-ai__grok-build-0.1
ProviderAnthropicxAI
Sluganthropic__claude-fable-5x-ai__grok-build-0.1
Statuslivelive
Open weightsNoNo
License
HuggingFace

Quality

Fieldanthropic__claude-fable-5x-ai__grok-build-0.1
Quality index (0–100)91.1

Cost

Fieldanthropic__claude-fable-5x-ai__grok-build-0.1
Input $ / 1M tokens$10.00$1.00
Cached input $ / 1M$1.00$0.20
Output $ / 1M tokens$50.00$2.00

Context

Fieldanthropic__claude-fable-5x-ai__grok-build-0.1
Max context tokens1,000,000256,000
Max output tokens128,000230,400

Modalities

Fieldanthropic__claude-fable-5x-ai__grok-build-0.1
Inputtext, image, filetext, image, file
Outputtexttext