Claude Sonnet 4.6 vs Gemini 3.1 Pro Preview: API price and specs

Claude Sonnet 4.6 is 85% cheaper than Gemini 3.1 Pro Preview on input price.

Claude Sonnet 4.6 is 88% cheaper than Gemini 3.1 Pro Preview on output price.

Claude Sonnet 4.6 is 86% cheaper than Gemini 3.1 Pro Preview on a 1M-in / 200k-out workload.

Gemini 3.1 Pro Preview has a 4.9% larger context than Claude Sonnet 4.6.

Field	Claude Sonnet 4.6	Gemini 3.1 Pro Preview
Lowest input, per 1M	$0.15	$1.00 +566.7%
Median input, per 1M	$3.00 +50%	$2.00
Lowest output, per 1M	$0.75	$6.00 +700%
Median output, per 1M	$15.00 +25%	$12.00
Lowest unit price	$0.001 / request	—
Cost of 1M in + 200k out	$0.30	$2.20 +633.3%
Context	1M +4.6%	1M
Max output	128K	66K +48.8%
Providers	36	28 +22.2%
Regions	APAC, AU, EU, GLOBAL, JP, US	GLOBAL, US
Accepts	application/pdf, file, image, image/gif, image/jpeg, image/png, image/webp, pdf, text	application/pdf, audio, audio/aac, audio/aiff, audio/alaw, audio/flac, audio/l16, audio/m4a, audio/mp3, audio/mpeg, audio/mulaw, audio/ogg, audio/opus, audio/wav, audio/webm, file, image, image/heic, image/heif, image/jpeg, image/png, image/webp, pdf, text, video, video/3gpp, video/avi, video/mov, video/mp4, video/mpeg, video/mpg, video/webm, video/wmv, video/x-flv
Returns	text	text
Type	Text models	Text models
Free option	no	no
Cheapest provider	daoxe	kilo

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

abacus, aihubmix, aiml, cometapi, daoxe, deepinfra, edenai, fastrouter, google-vertex, helicone, impossibl, jiekou, kenari, kilo, meganova, ofox, opencode, openrouter, orcarouter, perplexity-agent, poe, requesty, trustedrouter, vercel, zenmux

Frequently asked questions

Which is cheaper, Claude Sonnet 4.6 or Gemini 3.1 Pro Preview?

Claude Sonnet 4.6 is 85% cheaper than Gemini 3.1 Pro Preview on input price. Claude Sonnet 4.6 is 88% cheaper than Gemini 3.1 Pro Preview on output price. Claude Sonnet 4.6 is 86% cheaper than Gemini 3.1 Pro Preview on a 1M-in / 200k-out workload.

Which has the larger context, Claude Sonnet 4.6 or Gemini 3.1 Pro Preview?

Claude Sonnet 4.6: 1M tokens; Gemini 3.1 Pro Preview: 1M tokens.

Where can I use both Claude Sonnet 4.6 and Gemini 3.1 Pro Preview?