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Anthropic · Claude family

Anthropic: Claude Fable 5.1 (batch)

Anthropic: Claude Fable 5.1 (batch) ranks #2 of 84 models by Artificial Analysis quality score (53.4) at $20.00/1M tokens blended - and ranks #60 of 325 by average real OpenRouter usage share over the trailing 66-day window (0.32%). Available from 4 providers at up to 100.0% uptime.

  1. Quality (Intelligence Index) - 53.4
  2. Coding index - 81.6
  3. Agentic index - 58
  4. Price (blended $/1M) - 20.00
  5. Context window - 1,000,000
  6. Usage rank - #60 of 325
  7. Providers - 4
  8. Open/closed - closed
Provider reliability →Compare Claude versions →

Usage share over time

0.44%0.33%0.22%0.11%0.00%Share of usageSep 2Sep 5Sep 8

Compare Anthropic: Claude Fable 5.1 (batch)

vs OpenAI: GPT-6 Astra (batch) →vs Google: Gemini 3.8 Flash (batch) →vs SpaceXAI: Grok 4.6 →vs DeepSeek: DeepSeek V4 Pro 0423 →

Frequently asked questions

What is Anthropic: Claude Fable 5.1 (batch)'s quality score?

Anthropic: Claude Fable 5.1 (batch) scores 53.4 on Artificial Analysis's Intelligence Index, ranking #2 of 84 models with a published score.

How much does Anthropic: Claude Fable 5.1 (batch) cost?

Anthropic: Claude Fable 5.1 (batch) costs $20.00 per 1M tokens (blended 75% prompt / 25% completion pricing).

Is Anthropic: Claude Fable 5.1 (batch) widely used?

Anthropic: Claude Fable 5.1 (batch) ranks #60 of 325 models by average real OpenRouter usage share, averaging 0.32% of classified token volume over the trailing 66-day window.

Is Anthropic: Claude Fable 5.1 (batch) open-weight or closed?

Anthropic: Claude Fable 5.1 (batch) is a closed-weight model.

Source: OpenRouter (openrouter.ai/rankings), as of September 9, 2026.

Benchmark scores: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings).

Methodology: www.smophy.ai/benchmark/methodology

Token counts originate from each provider's own tokenizer and are not directly comparable across providers.