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Gemini 4 Argon vs GPT-5.1 Instant

Gemini 4 Argon leads the LLM Stats Score 55.1 to 36.7.

Google · OpenAI · Updated for 2026

Which is better?

Gemini 4 Argon leads the overall LLM Stats Score 55.1 to 36.7, ranking #4 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 4 Argon

  • overall performance matters — it scores 55.1 and ranks #4 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose GPT-5.1 Instant

  • you want predictable pricing at $1.25/M input and $10.00/M output

At a glance

The differences that matter most.

Core performance indexes
55.1
#4
36.7
#87
52.4
#7
36.4
#87
44.1
#4
21.2
#100
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$1.25 / M
Output price
— / M
$10.00 / M
Context window
—
400,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 4 Argon
GPT-5.1 Instant
30.6#6
17.1#83
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

19 reported for Gemini 4 Argon · 9 for GPT-5.1 Instant

No common benchmarks found

Gemini 4 Argon and GPT-5.1 Instantdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-5.1 Instant specifies input context (400,000 tokens). Only GPT-5.1 Instant specifies output context (128,000 tokens).

Google
Gemini 4 Argon
Input- tokens
Output- tokens
OpenAI
GPT-5.1 Instant
Input400,000 tokens
Output128,000 tokens
Fri Oct 09 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 4 Argon and GPT-5.1 Instant support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 4 Argon

Text
Images
Audio
Video

GPT-5.1 Instant

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 4 Argon

Proprietary

Closed source

GPT-5.1 Instant

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 4 Argon was released on 2026-09-30, while GPT-5.1 Instant was released on 2025-11-12.

Gemini 4 Argon is 11 months newer than GPT-5.1 Instant.

Gemini 4 Argon

Sep 30, 2026

1 weeks ago

10mo newer
GPT-5.1 Instant

Nov 12, 2025

11 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 4 Argon and GPT-5.1 Instant side-by-side, then vote on the output you prefer.

Gemini 4 Argon
✓ Preferred
GPT-5.1 Instant
Open in Playground

FAQ

Common questions about Gemini 4 Argon vs GPT-5.1 Instant.

Which is better, Gemini 4 Argon or GPT-5.1 Instant?

Gemini 4 Argon leads the LLM Stats Score 55.1 to 36.7. Gemini 4 Argon is made by Google and GPT-5.1 Instant is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 4 Argon compare to GPT-5.1 Instant in benchmarks?

Gemini 4 Argon scores Graphwalks BFS <128k: 99.7%, Vibe Code Bench: 91.9%, LVBench: 91.7%, LABBench2: 88.8%, Graphwalks BFS >128k: 84.2%. GPT-5.1 Instant scores Tau2 Telecom: 95.6%, AIME 2025: 94.0%, BrowseComp Long Context 128k: 90.0%, GPQA: 88.1%, MMMU: 85.4%.

What are the context window sizes for Gemini 4 Argon and GPT-5.1 Instant?

Gemini 4 Argon supports an unknown number of tokens and GPT-5.1 Instant supports 400K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 4 Argon and GPT-5.1 Instant?

Key differences include LLM Stats Score (55.1 vs 36.7). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Argon and GPT-5.1 Instant?

Gemini 4 Argon is developed by Google and GPT-5.1 Instant is developed by OpenAI.