Live technical benchmark comparing token limits, input/output API pricing, and modalities.
google/gemini-3.1-pro
anthropic/claude-fable-5
The primary differentiator in developer workflow design is context retention capacity. Gemini 3.1 Pro offers a context window of 2,000,000 tokens, while Anthropic: Claude Fable 5 supports up to 1,000,000 tokens.
This gives Gemini 3.1 Pro a substantial advantage of 2x larger prompt processing capacity, making it the ideal choice for loading massive codebases, long runbooks, or extensive research data.
Evaluating pricing metrics is critical for running high-frequency background cron workflows.For input queries, Gemini 3.1 Pro costs $1.25 per 1M tokens, compared to $10.00 per 1M tokens for Anthropic: Claude Fable 5.
Gemini 3.1 Pro is the more cost-effective choice for input prompts, yielding savings of 88% compared to Anthropic: Claude Fable 5. Similarly, output generations are cheaper on Gemini 3.1 Pro ($5.00 vs $50.00), representing a savings of 90% on completion tokens.
Gemini 3.1 Pro is better for large document parsing due to its larger context capacity of 2,000,000 tokens, enabling it to fit approximately 2x more content than Anthropic: Claude Fable 5 in a single prompt.
Gemini 3.1 Pro is more budget-friendly for prompt inputs, costing $1.25 per million tokens (a saving of 88%). For output completion tokens, Gemini 3.1 Pro is more cost-effective ($5.00 per 1M tokens).
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