GPT-4 Turbo vs GPT-5 Pro

Prices checked

GPT-4 Turbo takes 3 of 5 rounds against GPT-5 Pro. It is also the cheaper of the two to run, at $13.50 per million tokens against $37.50.

OpenAIWins 3 rounds

GPT-4 Turbo

128k context · tool calling · reads images

$13.50/M tokens

Cheapest price, at Poe · $7.02 per 1,000 pages

View at Poe
OpenAI

GPT-5 Pro

400k context · tool calling · reads images

$37.50/M tokens

Cheapest price, at Poe · $14.73 per 1,000 pages

View at Poe

Maker's price in (lower wins)

$30/M

$15/M

Maker's price out (lower wins)

$60/M

$120/M

Cheapest price (lower wins)

$13.50/M at Poe

$37.50/M at Poe

Maker's price, blended (lower wins)

$37.50/M

$41.25/M

Cost per 1,000 pages (lower wins)

$7.02

$14.73

Context

128k tokens

400k tokens

Open weights

no

no

Tool calling

yes

yes

Structured output

no

yes

Reads images

yes

yes

Reasoning

no

yes

Released

6 Nov 2023

6 Oct 2025

Providers selling it

13

19

Price we measure against

the maker's own

the maker's own

Trains on your prompts (no is better)

not published

not published

Providers selling both · 8

  • Poe$13.50 / $37.50
  • OpenAI$15 / $41.25
  • Azure AI Foundry$37.50 / $41.25
  • Eden AI$37.50 / $41.25
  • Kilo Gateway$37.50 / $41.25
  • Nous Portal$37.50 / $41.25
  • OpenRouter$37.50 / $41.25
  • OrcaRouter$37.50 / $41.25

GPT-4 Turbo, then GPT-5 Pro, per million tokens.

Go further

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

Frequently asked

Which is cheaper, GPT-4 Turbo or GPT-5 Pro?
GPT-4 Turbo, at $13.50 per million tokens against $37.50 for GPT-5 Pro, blended 3 in : 1 out, read on 31 Oct 2026.
Where is each one cheapest?
GPT-4 Turbo: $13.50 at Poe. GPT-5 Pro: $37.50 at Poe.
Can I buy both from one provider?
Yes. 8 providers sell both: Poe, OpenAI, Azure AI Foundry, Eden AI, Kilo Gateway, Nous Portal, and more. The cheapest of them for the two together is Poe.
Which holds more context?
GPT-5 Pro, at 400k tokens against 128k.

Prices exclude tax, read 31 Oct 2026 from each provider's own catalog. They are per M tokens, blended 3 in : 1 out, and a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.

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