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Gemini models

Version comparison

Last verified Oct 24, 2026. Figures that could not be confirmed on an official vendor page are marked unverified — we do not guess.

Full Gemini comparison

Which one should I use?

  • Exact Gemini-app picker for 3.8 Flash is unverified on Google's plan pages.
  • For the Gemini API, use 3.8 Flash for most production work (it is on the API free tier). Use 4 Argon only when you need the flagship and can pay (not on the API free tier).
  • 3.6 Flash is the previous Flash generation at the same listed paid price as 3.8 Flash through 2026 — Google still documents it as previous-generation.

Gemini 4 Argon

Current
Context
1.05M
Max output
65.5K
API input / 1M
$2 / 1M
API output / 1M
$10 / 1M

Best for: Hard coding, math, science, and long agent jobs.

Gemini app: needs Google AI Pro or Ultra; Ultra gets the highest access (Google's plans page, checked 2026-10-24).

Source: Gemini 4 Argon

Gemini 3.8 Flash

Current
Context
1.05M
Max output
65.5K
API input / 1M
$0.75 / 1M
API output / 1M
$3.75 / 1M

Best for: Most Gemini API projects, and everyday Gemini use if your app plan includes it.

API free tier is listed as free of charge. Which Gemini consumer-app plans include 3.8 Flash was not named on the Google AI plans page checked.

Source: Gemini 3.8 Flash

Gemini 3.6 Flash

Prior gen
Context
Unverifiedunverified
Max output
Unverifiedunverified
API input / 1M
$0.75 / 1M
API output / 1M
$3.75 / 1M

Best for: Existing apps that already call gemini-3.6-flash.

Consumer Gemini-app access for 3.6 Flash was not confirmed on the pages checked.

Source: Gemini models

Gemini 4 Argon

Hard coding, math, science, and long agent jobs.

  • Google’s current flagship reasoning model.
  • Unified 1M-token context; long decode up to 1M tokens.
  • Text, image, video, audio, and PDF in; text out.

Introductory paid price through 30 Nov 2026; $4.00 per 1M from 1 Dec 2026.

Gemini 3.8 Flash

Most Gemini API projects, and everyday Gemini use if your app plan includes it.

  • Google’s current Flash workhorse for agents and software work.
  • On the Gemini API free tier (with limits).
  • 1M input tokens and 65k output.

Caveats

  • Paid API price doubles on 1 January 2027.
  • Consumer Gemini-app plan mapping is unverified.

Paid Standard through 31 Dec 2026; $1.50 per 1M from 1 Jan 2027. API free tier is listed as free of charge.

Gemini 3.6 Flash

Existing apps that already call gemini-3.6-flash.

  • Documented as the previous-generation Flash model.
  • Same listed paid Standard price as 3.8 Flash through 2026.

Caveats

  • Google describes 3.8 Flash as the current Flash model for new work.
  • Context and max-output figures were not on the models index; left unverified.

Paid Standard through 31 Dec 2026; $1.50 per 1M from 1 Jan 2027. API free tier is listed as free of charge.

Catalog pages