← All models
Flagship — best answers, highest costCommercial API
Claude Fable 5.1 (batch) Pricing
Anthropic · anthropic-claude-fable-5-1-batch
Input / 1M tokens
$5.00
Output / 1M tokens
$25.00
Context window
1M tokens
≈ 1,333 pages of text
Max output
128k tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.016
1,000 requests / month$16.00/mo10,000 requests / month$160.00/mo100,000 requests / month$1,600.00/moEstimate your own workloadOpens the calculator with Claude Fable 5.1 (batch) preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Processes 1M-token contexts with 128k output in batch workloads; strong at multi-turn reasoning over long documents and images.
The business tradeoff
Output tokens priced at $25 per million; batch-only access limits interactive use and increases end-to-end latency.
Cheaper from Anthropic
Same tier from other providers
Head-to-head
Vendor list rates, as of Sep 2, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.