Claude Fable 5.1 vs GPT-6.1 Terra Pricing Comparison

Head-to-head token pricing, context window limits, and blended inference cost comparison between Claude Fable 5.1 (Anthropic) and GPT-6.1 Terra (OpenAI).

Direct Answer Summary (3:1 Blended Cost)

Claude Fable 5.1 costs 10.0x more than GPT-6.1 Terra on a 3:1 blended token workload. Claude Fable 5.1 has a context window of 1000k tokens, while GPT-6.1 Terra provides 1050k tokens.

Anthropic

Claude Fable 5.1

Input / 1M
$10.0000
Output / 1M
$50.0000
3:1 Blended / 1M
$20.0000
Context Window
1000k tokens
OpenAI

GPT-6.1 Terra

Input / 1M
$1.0000
Output / 1M
$5.0000
3:1 Blended / 1M
$2.0000
Context Window
1050k tokens
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