Fugu Ultra vs GPT-5.5.

model vs model · prices as of

GPT-5.5 takes 2 of 5 rounds against Fugu Ultra. It is also the cheaper of the two to run, at $40.91 per million tokens against $45.

Sakana AI

Fugu Ultra

$45/M tokens

Sakana AI list price, nothing below it is accounted for · $4.80 per 1,000 pages

1M context · tool calling · reads images

OpenAIwins 2 rounds

GPT-5.5

$40.91/M tokens

cheapest we can explain, at Poe · $4.36 per 1,000 pages

1.1M context · tool calling · reads images

Poe

List price in (lower wins)

$5/M

$5/M

List price out (lower wins)

$30/M

$30/M

Cheapest we can explain (lower wins)

none below list

$40.91/M at Poe

Standard price (lower wins)

$45/M

$45/M

Cost per 1,000 pages (lower wins)

$4.80

$4.36

Context

1M tokens

1.1M tokens

Open weights

not stated

no

Tool calling

yes

yes

Structured output

yes

yes

Reads images

yes

yes

Reasoning

yes

yes

Released

24 Jun 2026

23 Apr 2026

Providers selling it

12

49

Price we measure against

the maker's own

the maker's own

Trains on your prompts (no is better)

no provider to check

not stated

Providers selling both · 10

  • Kilo Gateway$45 / $45
  • LLM Gateway$45 / $45
  • LLMTR$45 / $45
  • Merge Gateway$45 / $45
  • NanoGPT$45 / $45
  • Nous Portal$45 / $45
  • OpenRouter$45 / $45
  • Pioneer$45 / $45

Fugu Ultra then GPT-5.5, per million tokens · showing the 8 cheapest of 10

Go further

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

What moved in the last seven days

  1. Fugu UltraNous Portal$4 / $24 $5 / $3025% dearer ·
  2. GPT-5.5Nous Portal$4 / $24 $5 / $3025% dearer ·
  3. Fugu UltraNanoGPT$5.25 / $31.50 $5 / $305% cheaper ·

Frequently asked

Which is cheaper, Fugu Ultra or GPT-5.5?
GPT-5.5, at $40.91 per million tokens against $45 for Fugu Ultra, three parts input to one part output, read on 16 Sept 2026.
Where is each one cheapest?
Fugu Ultra: nobody goes below the maker's own price with a reason we can point at, so $45 is the number to beat. GPT-5.5: $40.91 at Poe.
Can I buy both from one provider?
Yes. 10 providers sell both: Kilo Gateway, LLM Gateway, LLMTR, Merge Gateway, NanoGPT, Nous Portal, and more. The cheapest of them for the two together is Kilo Gateway.
Which holds more context?
GPT-5.5, at 1.1M tokens against 1M.

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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