Claude Opus 4.6 vs GPT-5 Chat (latest): API price and specs

GPT-5 Chat (latest) is 56% cheaper than Claude Opus 4.6 on input price.

GPT-5 Chat (latest) is 28% cheaper than Claude Opus 4.6 on output price.

GPT-5 Chat (latest) is 42% cheaper than Claude Opus 4.6 on a 1M-in / 200k-out workload.

Claude Opus 4.6 has a 150% larger context than GPT-5 Chat (latest).

Field	Claude Opus 4.6	GPT-5 Chat (latest)
Lowest input, per 1M	$2.50 +127.3%	$1.10
Median input, per 1M	$5.00 +300%	$1.25
Lowest output, per 1M	$12.50 +38.9%	$9.00
Median output, per 1M	$25.00 +150%	$10.00
Lowest unit price	—	—
Cost of 1M in + 200k out	$5.00 +72.4%	$2.90
Context	1M	400K +60%
Max output	128K	128K
Providers	31	5 +83.9%
Regions	AU, EU, GLOBAL, US	—
Accepts	application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text	image, image/gif, image/jpeg, image/png, image/webp, text
Returns	text	text
Type	Text models	Text models
Free option	no	no
Cheapest provider	openrouter	poe

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

aihubmix, helicone, jiekou, orcarouter, poe

Frequently asked questions

Which is cheaper, Claude Opus 4.6 or GPT-5 Chat (latest)?

GPT-5 Chat (latest) is 56% cheaper than Claude Opus 4.6 on input price. GPT-5 Chat (latest) is 28% cheaper than Claude Opus 4.6 on output price. GPT-5 Chat (latest) is 42% cheaper than Claude Opus 4.6 on a 1M-in / 200k-out workload.

Which has the larger context, Claude Opus 4.6 or GPT-5 Chat (latest)?

Claude Opus 4.6: 1M tokens; GPT-5 Chat (latest): 400K tokens.

Where can I use both Claude Opus 4.6 and GPT-5 Chat (latest)?

aihubmix, helicone, jiekou, orcarouter, poe