Claude Fable 5.1 vs Claude Haiku 5.5: API price and specs

Claude Haiku 5.5 is 99% cheaper than Claude Fable 5.1 on input price.

Claude Haiku 5.5 is 99% cheaper than Claude Fable 5.1 on output price.

Claude Haiku 5.5 is 99% cheaper than Claude Fable 5.1 on a 1M-in / 200k-out workload.

Field	Claude Fable 5.1	Claude Haiku 5.5
Lowest input, per 1M	$5.00 +9900%	$0.05
Median input, per 1M	$10.00 +9900%	$0.10
Lowest output, per 1M	$25.00 +9900%	$0.25
Median output, per 1M	$50.00 +9900%	$0.50
Lowest unit price	—	—
Cost of 1M in + 200k out	$10.00 +9900%	$0.10
Context	1M	1M
Max output	128K	128K
Providers	30 +9.1%	33
Regions	EU, GLOBAL, US	AU, EU, GLOBAL, JP, US
Accepts	application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text	application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text
Returns	text	text
Type	Text models	Text models
Free option	no	no
Cheapest provider	iteracompute	iteracompute

Your own workload: how many tokens the model gets (input) and gives back (output) - for example, in a month. The "Cost" row of the table above is recalculated for these numbers, for each model.

Computed from current offers each time the page opens; the best value of a row is bold, the percent is how far behind the best.

Providers selling both

302ai, abacus, aihubmix, aiml, amazon-bedrock, anthropic, azure, azure-cognitive-services, cometapi, digitalocean, edenai, fastrouter, github-copilot, google-vertex, google-vertex-anthropic, impossibl, iteracompute, jiekou, kilo, meganova, nearai, ofox, opencode, openrouter, perplexity-agent, requesty, trustedrouter, vercel, zenmux

Frequently asked questions

Which is cheaper, Claude Fable 5.1 or Claude Haiku 5.5?

Claude Haiku 5.5 is 99% cheaper than Claude Fable 5.1 on input price. Claude Haiku 5.5 is 99% cheaper than Claude Fable 5.1 on output price. Claude Haiku 5.5 is 99% cheaper than Claude Fable 5.1 on a 1M-in / 200k-out workload.

Which has the larger context, Claude Fable 5.1 or Claude Haiku 5.5?

Claude Fable 5.1: 1M tokens; Claude Haiku 5.5: 1M tokens.

Where can I use both Claude Fable 5.1 and Claude Haiku 5.5?