Claude Haiku 4.5 (latest) vs Sonar Pro: API price and specs

Claude Haiku 4.5 (latest) is 83% cheaper than Sonar Pro on input price.

Claude Haiku 4.5 (latest) is 83% cheaper than Sonar Pro on output price.

Claude Haiku 4.5 (latest) is 83% cheaper than Sonar Pro on a 1M-in / 200k-out workload.

Sonar Pro has a 2.4% larger context than Claude Haiku 4.5 (latest).

Field	Claude Haiku 4.5 (latest)	Sonar Pro
Lowest input, per 1M	$0.50	$3.00 +500%
Median input, per 1M	$1.00	$3.00 +200%
Lowest output, per 1M	$2.50	$15.00 +500%
Median output, per 1M	$5.00	$15.00 +200%
Lowest unit price	$0.001 / request	—
Cost of 1M in + 200k out	$1.00	$6.00 +500%
Context	200K +2.3%	205K
Max output	64K	8K +87.2%
Providers	34	7 +79.4%
Regions	APAC, AU, EU, GLOBAL, IN, JP, US	US
Accepts	application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text	image, text
Returns	text	text
Type	Text models	Text models
Free option	no	no
Cheapest provider	openrouter	aiml

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

aiml, edenai, fastrouter, helicone, kilo, openrouter, requesty

Frequently asked questions

Which is cheaper, Claude Haiku 4.5 (latest) or Sonar Pro?

Claude Haiku 4.5 (latest) is 83% cheaper than Sonar Pro on input price. Claude Haiku 4.5 (latest) is 83% cheaper than Sonar Pro on output price. Claude Haiku 4.5 (latest) is 83% cheaper than Sonar Pro on a 1M-in / 200k-out workload.

Which has the larger context, Claude Haiku 4.5 (latest) or Sonar Pro?

Claude Haiku 4.5 (latest): 200K tokens; Sonar Pro: 205K tokens.

Where can I use both Claude Haiku 4.5 (latest) and Sonar Pro?

aiml, edenai, fastrouter, helicone, kilo, openrouter, requesty