anthropic/claude-fable-5.1 vs anthropic/claude-haiku-5.5:batch
For 100,000 calls of 2,000 in and 500 out, anthropic/claude-haiku-5.5:batch is cheaper: $22.50 a month at OpenRouter, against $4,500.00 for anthropic/claude-fable-5.1 at Anthropic — 200.0× the cost.
Cheapest on each
anthropic/claude-fable-5.1
$4,500.00/mo
cheapest, at Anthropic — $10 in, $50 out per million
anthropic/claude-haiku-5.5:batch
$22.50/mo
cheapest, at OpenRouter — $0.05 in, $0.25 out per million
Aligned facts
Same rows on both sides, including the ones we cannot fill.
| Attribute | anthropic/claude-fable-5.1 | anthropic/claude-haiku-5.5:batch |
|---|---|---|
| Context window | 1M | 1M |
| Accepts | Aa · IMG · FILE | Aa · IMG · FILE |
| Sellers | 2 | 1 |
| Cheapest input rate | $10 / M | $0.05 / M |
| Cached input rate | $0.25 / M | $0.005 / M |
No quality or benchmark row appears here. We hold no throughput or accuracy measurement for either model, and a cost-per-quality figure built from a lab’s own claim would look authoritative and mean nothing.
Cost for this workload — both models, every seller
100,000 calls a month · 2,000 input and 500 output tokens each. Sellers of both models lead, cheapest combined cost first.
| Seller | anthropic/claude-fable-5.1 /mo | anthropic/claude-haiku-5.5:batch /mo |
|---|---|---|
| OpenRouter | $4,500.002026-10-27 | $22.502026-10-27 |
| Anthropic | $4,500.002026-10-22 | ○ no answer |
Cheapest tier per seller, this workload only. In and output rates, and a cached prefix, are broken out in the cost calculator.