AI Rate Card

Gemini 3 Flash Preview vs Gemini 3.1 Pro Preview: API price and specs

Gemini 3 Flash Preview is 75% cheaper than Gemini 3.1 Pro Preview on input price.

Gemini 3 Flash Preview is 75% cheaper than Gemini 3.1 Pro Preview on output price.

Gemini 3 Flash Preview is 75% cheaper than Gemini 3.1 Pro Preview on a 1M-in / 200k-out workload.

FieldGemini 3 Flash PreviewGemini 3.1 Pro Preview
Lowest input, per 1M$0.25$1.00 +300%
Median input, per 1M$0.50$2.00 +300%
Lowest output, per 1M$1.50$6.00 +300%
Median output, per 1M$3.00$12.00 +300%
Lowest unit price——
Cost of 1M in + 200k out$0.55$2.20 +300%
Context1M1M
Max output66K66K
Providers17 +39.3%28
RegionsGLOBALGLOBAL, US
Acceptsapplication/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-flvapplication/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
Returnstexttext
TypeText modelsText models
Free optionnono
Cheapest providerkilokilo

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, edenai, fastrouter, google, helicone, jiekou, kilo, meganova, ofox, openrouter, orcarouter, perplexity-agent, requesty, trustedrouter, zenmux

Frequently asked questions

Which is cheaper, Gemini 3 Flash Preview or Gemini 3.1 Pro Preview?

Gemini 3 Flash Preview is 75% cheaper than Gemini 3.1 Pro Preview on input price. Gemini 3 Flash Preview is 75% cheaper than Gemini 3.1 Pro Preview on output price. Gemini 3 Flash Preview is 75% cheaper than Gemini 3.1 Pro Preview on a 1M-in / 200k-out workload.

Which has the larger context, Gemini 3 Flash Preview or Gemini 3.1 Pro Preview?

Gemini 3 Flash Preview: 1M tokens; Gemini 3.1 Pro Preview: 1M tokens.

Where can I use both Gemini 3 Flash Preview and Gemini 3.1 Pro Preview?

302ai, abacus, aihubmix, edenai, fastrouter, google, helicone, jiekou, kilo, meganova, ofox, openrouter, orcarouter, perplexity-agent, requesty, trustedrouter, zenmux