o3 vs Perplexity Sonar Deep Research.

model vs model · prices as of

o3 takes 2 of 5 rounds against Perplexity Sonar Deep Research. It is also the cheaper of the two to run, at $12.73 per million tokens against $14.

OpenAIwins 2 rounds

o3

$12.73/M tokens

cheapest we can explain, at Poe · $1.53 per 1,000 pages

200k context · tool calling · reads images

Poe
Perplexity

Perplexity Sonar Deep Research

$14/M tokens

Perplexity list price, nothing below it is accounted for · $1.68 per 1,000 pages

128k context

List price in (lower wins)

$2/M

$2/M

List price out (lower wins)

$8/M

$8/M

Cheapest we can explain (lower wins)

$12.73/M at Poe

none below list

Standard price (lower wins)

$14/M

$14/M

Cost per 1,000 pages (lower wins)

$1.53

$1.68

Context

200k tokens

128k tokens

Open weights

no

no

Tool calling

yes

no

Structured output

yes

not stated

Reads images

yes

no

Reasoning

yes

yes

Released

16 Apr 2025

1 Feb 2025

Providers selling it

24

8

Price we measure against

the maker's own

the maker's own

Trains on your prompts (no is better)

not stated

no provider to check

Providers selling both · 6

  • FastRouter$14 / $14
  • Helicone$14 / $14
  • Kilo Gateway$14 / $14
  • LLMTR$14 / $14
  • OpenRouter$14 / $14
  • Eden AI$15.40 / $14

o3 then Perplexity Sonar Deep Research, per million tokens

Go further

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

What moved in the last seven days

  1. o3Nous Portal$1.60 / $6.40 $2 / $825% dearer ·

Frequently asked

Which is cheaper, o3 or Perplexity Sonar Deep Research?
o3, at $12.73 per million tokens against $14 for Perplexity Sonar Deep Research, three parts input to one part output, read on 16 Sept 2026.
Where is each one cheapest?
o3: $12.73 at Poe. Perplexity Sonar Deep Research: nobody goes below the maker's own price with a reason we can point at, so $14 is the number to beat.
Can I buy both from one provider?
Yes. 6 providers sell both: FastRouter, Helicone, Kilo Gateway, LLMTR, OpenRouter, Eden AI. The cheapest of them for the two together is FastRouter.
Which holds more context?
o3, at 200k tokens against 128k.

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.

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