Model comparison

Claude Fable 5.1 vs Doubao-Seed-2.1-lite

Compare Claude Fable 5.1 (Anthropic) and Doubao-Seed-2.1-lite (Volcengine) by price, context, capabilities, and latency.

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Which should you pick?

Price: Doubao-Seed-2.1-lite is cheaper ($0.12 / 1M tokens input / $0.4 / 1M tokens output) vs Claude Fable 5.1 ($10 / 1M tokens input / $50 / 1M tokens output).
Claude Fable 5.1 adds: Tool calling, JSON mode, Vision, Long context.

Side by side

Claude Fable 5.1 vs Doubao-Seed-2.1-lite — full comparison

Compare price, provider, context, capabilities, latency, and source basis.

Model	Provider	Input	Output	Context	Capabilities	Best for	Latency	Status	Source
Claude Fable 5.1anthropic/claude-fable-5.1	Anthropic	$10 / 1M tokens	$50 / 1M tokens	1M	StreamingTool callingJSON modeVision	image understanding, multimodal chat	3187-5152ms	Catalog	Platform curated
Doubao-Seed-2.1-litedoubao-seed-2-1-lite	Volcengine	$0.12 / 1M tokens	$0.4 / 1M tokens	1M	Streaming	Chinese Q&A, general chat	2010-3295ms	Catalog	Platform curated

FAQ

Claude Fable 5.1 vs Doubao-Seed-2.1-lite FAQ

Is Claude Fable 5.1 or Doubao-Seed-2.1-lite cheaper?

Doubao-Seed-2.1-lite is cheaper ($0.12 / 1M tokens input / $0.4 / 1M tokens output) vs Claude Fable 5.1 ($10 / 1M tokens input / $50 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, Claude Fable 5.1 or Doubao-Seed-2.1-lite?

Both offer the same context window: 1M tokens.

Claude Fable 5.1 details Doubao-Seed-2.1-lite details Pricing calculator OpenAI-compatible quickstart

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