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Gemini 3.5 Flash

Google · Released May 2026

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Recommended

Google's cost-efficiency standout for agentic desktop automation at $1.50/$9 per 1M tokens with ~1M context. Native Computer Use scores 78.4 on OSWorld-Verified — within 0.3 points of GPT-5.5 at roughly one-third the cost. THE relevant caveat: the Computer Use tool is a public preview not yet in the production API, so verify endpoint availability before wiring in.

Is it right for you?

Good for

  • Cost-efficient agentic desktop automation — 78.4 OSWorld-Verified (ties GPT-5.5) at roughly 1/3 the cost, with native Computer Use and built-in security controls
  • High-volume multimodal workloads — native text/image/audio/video pipeline with a ~1M-token context window at $1.50/$9 per 1M
  • Google Workspace and Vertex AI ecosystem users — zero-migration integration, plus Search/Maps/function-calling in a single agent context

Not good for

  • Production computer-use today — the Computer Use tool is a public preview not yet exposed for 3.5 Flash in the production API; confirm the endpoint before shipping
  • Hardest frontier reasoning and top-end coding — Opus 4.8, Fable 5, and GPT-5.6 lead there; Flash is the cost-efficiency tier, not the ceiling

How it performs by task

Computer use

Very Good

78.4 OSWorld-Verified ties GPT-5.5 at 1/3 the cost; native tool + enterprise safeguards — but API endpoint still in preview

Multimodal workflows

Excellent

Native text/image/audio/video in a single request; strongest multimodal pipeline in its price tier

High-volume agentic work

Excellent

$1.50/$9 per 1M with ~1M context makes cost-per-task the standout value in the Flash tier

Frontier reasoning

Good

A cost-efficiency tier, not the ceiling — route the hardest reasoning to Opus 4.8 / Fable 5 / GPT-5.6

Pricing

Input

$1.50 / 1M tokens

Output

$9 / 1M tokens

Context

1M tokens

View full pricing

Verdict history

Jul 15, 2026
copy edit to brevity standard — detail preserved in existing structured children

Sources

Verification log

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    Automated agent

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    Automated agent

  • Pricing— Updated

    Automated agent

    Created new registry entry Gemini 3.5 Flash (was missing; has its own verdict post Jun 28): $1.50/$9 per 1M (cached $0.15), ~1M context, released 2026-05-19, verdict recommended (ties GPT-5.5 on OSWorld at 1/3 cost; Computer Use API endpoint still in preview).

  • Profile— No changes

    Imported at launch

  • Pricing— No changes

    Imported at launch

How we evaluate