Standard Compute
Model comparison 2026

Gemini 3.1 Flash Lite vs Gemini 4 Argon

Gemini 3.1 Flash Lite
Google · Budget · Proprietary
$0.63/1M · 1.0M ctx
Gemini 4 Argon
Google · Frontier · Proprietary
$4.40/1M · 1.0M ctx

Community vote

Pick a winner in each dimension. You can change your vote any time.

Output Quality
Correctness and depth of what it produces
Agentic Ability
Tool calls, instruction-following, and multi-step tasks
Speed
Tokens per second and time-to-first-token
Value for money
How much capability you get per dollar
Reliability
Consistent results: fewer refusals, loops and format breaks

Specs and pricing side by side

Spec
Flash Lite
Gemini 4 Argon
Maker
Google
Google
Blended price / 1M
$0.63
$4.40
Input / output
$0.25 in · $1.50 out / 1M tokens
$2.00 in · $10 out / 1M tokens
Context window
1.0M
1.0M
Open weights
No
No
Tool use
Yes
Yes
Reasoning
Yes
Yes
Output Quality
4.3
9.3
Agentic Ability
4.6
9.4
Speed
10.0
7.5
Value for money
6.4
5.4
Reliability
8.4
9.2

Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).

Verdict: Flash Lite or Gemini 4 Argon?

Updated 2026-10-13

Choose Gemini 3.1 Flash Lite if you want simple, high-volume steps such as classification and extraction. Choose Gemini 4 Argon if you want hard coding and agent steps where you want a frontier model outside the Claude and GPT families.

In our editorial scoring, Gemini 4 Argon leads in 3 of five dimensions (output quality, agentic ability and reliability), while Gemini 3.1 Flash Lite leads in 2. On price, Gemini 3.1 Flash Lite runs about $0.63 per 1M tokens (blended) and is proprietary; Gemini 4 Argon is about $4.40 and proprietary.

Where Flash Lite falls short
  • Not suited to multi-step agent work (0.5% in Artificial Analysis's Terminal-Bench 4.0 run)
  • GPT-6 Luna costs about half as much per request and scores far higher
Full Flash Lite breakdown →
Where Gemini 4 Argon falls short
  • Price doubles to $4/$20 per million on December 1, 2026
  • Not available on the Gemini API free tier or the Google AI Pro plan, per Google
Full Gemini 4 Argon breakdown →

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