Claude Opus 5.5 vs Gemini 4 Argon: API price and specs

Gemini 4 Argon is 50% cheaper than Claude Opus 5.5 on input price.

Gemini 4 Argon is 50% cheaper than Claude Opus 5.5 on output price.

Gemini 4 Argon is 50% cheaper than Claude Opus 5.5 on a 1M-in / 200k-out workload.

Gemini 4 Argon has a 4.9% larger context than Claude Opus 5.5.

Field	Claude Opus 5.5	Gemini 4 Argon
Lowest input, per 1M	$2.00 +100%	$1.00
Median input, per 1M	$4.00 +100%	$2.00
Lowest output, per 1M	$10.00 +100%	$5.00
Median output, per 1M	$20.00 +100%	$10.00
Lowest unit price	—	—
Cost of 1M in + 200k out	$4.00 +100%	$2.00
Context	1M +4.6%	1M
Max output	128K +87.2%	1M
Providers	32	23 +28.1%
Regions	APAC, AU, EU, GLOBAL, JP, US	EU, GLOBAL, US
Accepts	application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text	audio, file, image, pdf, text, video
Returns	text	text
Type	Text models	Text models
Free option	no	no
Cheapest provider	iteracompute	openrouter

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

302ai, abacus, aihubmix, aiml, cometapi, cortecs, edenai, fastrouter, github-copilot, google-vertex, impossibl, iteracompute, jiekou, kilo, meganova, ofox, openrouter, perplexity-agent, requesty, trustedrouter, vercel, zenmux

Frequently asked questions

Which is cheaper, Claude Opus 5.5 or Gemini 4 Argon?

Gemini 4 Argon is 50% cheaper than Claude Opus 5.5 on input price. Gemini 4 Argon is 50% cheaper than Claude Opus 5.5 on output price. Gemini 4 Argon is 50% cheaper than Claude Opus 5.5 on a 1M-in / 200k-out workload.

Which has the larger context, Claude Opus 5.5 or Gemini 4 Argon?

Claude Opus 5.5: 1M tokens; Gemini 4 Argon: 1M tokens.

Where can I use both Claude Opus 5.5 and Gemini 4 Argon?