AI model comparison

Gemini 4 Argon vs GPT-6.1 Sol

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents.

Input / 1M
$2
Output / 1M
$10
Context
1.05M

GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series.

Input / 1M
$2
Output / 1M
$10
Context
1.05M

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

Tie

Same price for a typical chat

Higher intelligence score

google logo

Gemini 4 Argon

52.6 vs 51.8 on Artificial Analysis

Larger context window

openai logo

GPT-6.1 Sol

1.05M vs 1.05M tokens

Newer release

google logo

Gemini 4 Argon

Released October 13, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

google logoGemini 4 Argon52.6
openai logoGPT-6.1 Sol51.8

Coding index

google logoGemini 4 ArgonNot available
openai logoGPT-6.1 SolNot available

Agentic index

google logoGemini 4 ArgonNot available
openai logoGPT-6.1 SolNot available

Pricing

Gemini 4 Argon vs GPT-6.1 Sol API pricing

Per-token API rates. Cheaper option highlighted.

Metricgoogle logoGemini 4 Argonopenai logoGPT-6.1 Sol
Input tokensPer 1M tokens$2$2
Output tokensPer 1M tokens$10$10
Cached input (read)Per 1M tokens$0.10$0.10
Cache writePer 1M tokens$0.19$2.50
Long-context pricingPer 1M tokens, for very long promptsSame rate at any length$4 in / $15 out above 272K
Web searchPer request$0.014$0.01

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

google logoGemini 4 Argon$9
openai logoGPT-6.1 Sol$9

Coding task

30K in, 4K out

google logoGemini 4 Argon$100$43 cached
openai logoGPT-6.1 Sol$100$43 cached

Long document summary

150K in, 2K out

google logoGemini 4 Argon$320$35 cached
openai logoGPT-6.1 Sol$320$35 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricgoogle logoGemini 4 Argonopenai logoGPT-6.1 Sol
Context window1.05M tokens1.05M tokens
Max output66K tokens128K tokens
Input typesAudio, File, Image, Text, VideoFile, Image, Text
Output typesTextText
Reasoning effort levelsHigh, Medium, LowMax, Extra high, High, Medium, Low
Default reasoning effortMediumMedium
Release dateOctober 13, 2026September 29, 2026

Features

Supported features

API features available for each model.

Metricgoogle logoGemini 4 Argonopenai logoGPT-6.1 Sol
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedNot supported
Stop sequencesSupportedNot supported
Deterministic seedSupportedSupported
Verbosity controlNot supportedSupported

Our take

Gemini 4 Argon scores higher on the Artificial Analysis Intelligence Index (52.6 vs 51.8). GPT-6.1 Sol has the larger context window (1.05M vs 1.05M tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Gemini 4 Argon or GPT-6.1 Sol cheaper?

Gemini 4 Argon and GPT-6.1 Sol cost the same for a typical chat (2K input tokens and 500 output tokens). Gemini 4 Argon costs $2 per 1M input tokens and $10 per 1M output tokens, and GPT-6.1 Sol costs $2 per 1M input tokens and $10 per 1M output tokens.

Which has a bigger context window, Gemini 4 Argon or GPT-6.1 Sol?

GPT-6.1 Sol supports up to 1.05M tokens of context, compared with 1.05M for Gemini 4 Argon.

Is Gemini 4 Argon smarter than GPT-6.1 Sol?

On the Artificial Analysis Intelligence Index, Gemini 4 Argon scores 52.6 and GPT-6.1 Sol scores 51.8, putting Gemini 4 Argon ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Gemini 4 Argon and GPT-6.1 Sol at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Gemini 4 Argon and GPT-6.1 Sol answer side by side and keep the better response.

google logoopenai logo

Why choose? Ask both.

Send one prompt to Gemini 4 Argon and GPT-6.1 Sol at the same time. Compare the answers side by side and keep the best one.