Which is cheaper, Claude Sonnet 4.6 or Sonar Pro Search?

Claude Sonnet 4.6, at $20.61 per million tokens against $24 for Sonar Pro Search, three parts input to one part output, read on 16 Sept 2026.

Where is each one cheapest?

Claude Sonnet 4.6: $20.61 at Poe. Sonar Pro Search: nobody goes below the maker's own price with a reason we can point at, so $24 is the number to beat.

Can I buy both from one provider?

Yes. 2 providers sell both: Kilo Gateway, OpenRouter. The cheapest of them for the two together is Kilo Gateway.

Which holds more context?

Claude Sonnet 4.6, at 1M tokens against 200k.

Claude Sonnet 4.6 vs Sonar Pro Search.

model vs model · prices as of 16 Sept 2026

Claude Sonnet 4.6 takes 2 of 5 rounds against Sonar Pro Search. It is also the cheaper of the two to run, at $20.61 per million tokens against $24.

Anthropicwins 2 rounds

Claude Sonnet 4.6

$20.61/M tokens

cheapest we can explain, at Poe · $2.32 per 1,000 pages

1M context · tool calling · reads images

Poe ↗

Perplexity

Sonar Pro Search

$24/M tokens

Perplexity list price, nothing below it is accounted for · $2.70 per 1,000 pages

200k context · reads images

List price in (lower wins)

$3/M

List price out (lower wins)

$15/M

Cheapest we can explain (lower wins)

$20.61/M at Poe

none below list

Standard price (lower wins)

$24/M

Cost per 1,000 pages (lower wins)

$2.32

$2.70

Context

1M tokens

200k tokens

Open weights

not stated

Tool calling

yes

Structured output

yes

Reads images

yes

Reasoning

yes

Released

17 Feb 2026

30 Oct 2025

Providers selling it

Price we measure against

the maker's own

Trains on your prompts (no is better)

not stated

no provider to check

Providers selling both · 2

Kilo Gateway$24 / $24
OpenRouter$24 / $24

Claude Sonnet 4.6 then Sonar Pro Search, per million tokens

Go further

open in the compare tool →every price for Claude Sonnet 4.6 every price for Sonar Pro Search

Add a third or fourth model, or switch the weighting, in the tool.

What moved in the last seven days

Claude Sonnet 4.6Nous Portal$2.40 / $12 $3 / $1525% dearer · 16 Sept 2026
Claude Sonnet 4.6Requesty$3 / $15 $3.30 / $16.5010% dearer · 11 Sept 2026

Frequently asked

Which is cheaper, Claude Sonnet 4.6 or Sonar Pro Search?: Claude Sonnet 4.6, at $20.61 per million tokens against $24 for Sonar Pro Search, three parts input to one part output, read on 16 Sept 2026.
Where is each one cheapest?: Claude Sonnet 4.6: $20.61 at Poe. Sonar Pro Search: nobody goes below the maker's own price with a reason we can point at, so $24 is the number to beat.
Can I buy both from one provider?: Yes. 2 providers sell both: Kilo Gateway, OpenRouter. The cheapest of them for the two together is Kilo Gateway.
Which holds more context?: Claude Sonnet 4.6, at 1M tokens against 200k.

Prices exclude tax and are per million tokens, read 16 Sept 2026 from each provider's own catalog. The standard price blends three parts input to one part output; a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.