Standard Compute
Model comparison 2026

Gemini 4 Argon vs GPT-5.5

Gemini 4 Argon
Google · Frontier · Proprietary
$4.40/1M · 1.0M ctx
GPT-5.5
OpenAI · Frontier · Proprietary
$13/1M · 1.1M 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
Gemini 4 Argon
GPT-5.5
Maker
Google
OpenAI
Blended price / 1M
$4.40
$13
Input / output
$2.00 in · $10 out / 1M tokens
$5.00 in · $30 out / 1M tokens
Context window
1.0M
1.1M
Open weights
No
No
Tool use
Yes
Yes
Reasoning
Yes
Yes
Output Quality
9.3
7.6
Agentic Ability
9.4
6.2
Speed
7.5
7.8
Value for money
5.4
4.0
Reliability
9.2
8.8

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

Verdict: Gemini 4 Argon or GPT-5.5?

Updated 2026-10-13

Choose Gemini 4 Argon if you want hard coding and agent steps where you want a frontier model outside the Claude and GPT families. Choose GPT-5.5 if you want existing GPT-5.5 setups on an API key until they move to GPT-6.1 Sol.

In our editorial scoring, Gemini 4 Argon leads in 4 of five dimensions (output quality, agentic ability, value for money and reliability), while GPT-5.5 leads in 1. On price, Gemini 4 Argon runs about $4.40 per 1M tokens (blended) and is proprietary; GPT-5.5 is about $13 and proprietary.

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 →
Where GPT-5.5 falls short
  • Superseded: GPT-6.1 Sol scores higher at about a third of the cost per request
  • Premium pricing ($5/$30 per million)
Full GPT-5.5 breakdown →

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