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Gemini 2.5 Pro Preview 06-05 vs Gemini 4 Argon

Gemini 4 Argon leads the LLM Stats Score 55.4 to 29.9.

Google · Google · Updated for 2026

Which is better?

Gemini 4 Argon leads the overall LLM Stats Score 55.4 to 29.9, ranking #4 overall.

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

Choose Gemini 2.5 Pro Preview 06-05

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

Choose Gemini 4 Argon

  • overall performance matters — it scores 55.4 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

At a glance

The differences that matter most.

Gemini 2.5 Pro Preview 06-05
Google
Gemini 4 Argon
Google
Core performance indexes
LLM Stats Score
29.9
#137
55.4
#4
Reasoning
28.3
#145
53.3
#6
Coding
16.6
#137
43.0
#7
Cost, coverage & limits
Benchmark wins
—
—
Input price
$1.25 / M
— / M
Output price
$10.00 / M
— / M
Context window
1,048,576
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Gemini 2.5 Pro Preview 06-05
Gemini 4 Argon
Vision
18.8#88
36.8#8
Multimodal
24.7#59
37.0#8
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Gemini 2.5 Pro Preview 06-05 · 19 for Gemini 4 Argon

No common benchmarks found

Gemini 2.5 Pro Preview 06-05 and Gemini 4 Argondon'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 Gemini 2.5 Pro Preview 06-05 specifies input context (1,048,576 tokens). Only Gemini 2.5 Pro Preview 06-05 specifies output context (65,535 tokens).

Google
Gemini 2.5 Pro Preview 06-05
Input1,048,576 tokens
Output65,535 tokens
Google
Gemini 4 Argon
Input- tokens
Output- tokens
Tue Oct 13 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 2.5 Pro Preview 06-05 and Gemini 4 Argon support multimodal inputs.

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

Gemini 2.5 Pro Preview 06-05

Text
Images
Audio
Video

Gemini 4 Argon

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 2.5 Pro Preview 06-05

Proprietary

Closed source

Gemini 4 Argon

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05, while Gemini 4 Argon was released on 2026-09-30.

Gemini 4 Argon is 16 months newer than Gemini 2.5 Pro Preview 06-05.

Gemini 2.5 Pro Preview 06-05

Jun 5, 2025

1.4 years ago

Gemini 4 Argon

Sep 30, 2026

1 weeks ago

1.3yr newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro Preview 06-05 has a documented knowledge cutoff of 2025-01-31, while Gemini 4 Argon's cutoff date is not specified.

We can confirm Gemini 2.5 Pro Preview 06-05's training data extends to 2025-01-31, but cannot make a direct comparison without Gemini 4 Argon's cutoff date.

Gemini 2.5 Pro Preview 06-05

Jan 2025

Gemini 4 Argon

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 2.5 Pro Preview 06-05 and Gemini 4 Argon side-by-side, then vote on the output you prefer.

Gemini 2.5 Pro Preview 06-05
✓ Preferred
Gemini 4 Argon
Open in Playground

FAQ

Common questions about Gemini 2.5 Pro Preview 06-05 vs Gemini 4 Argon.

Which is better, Gemini 2.5 Pro Preview 06-05 or Gemini 4 Argon?

Gemini 4 Argon leads the LLM Stats Score 55.4 to 29.9. Gemini 2.5 Pro Preview 06-05 is made by Google and Gemini 4 Argon is made by Google. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 2.5 Pro Preview 06-05 compare to Gemini 4 Argon in benchmarks?

Gemini 2.5 Pro Preview 06-05 scores Global-MMLU-Lite: 89.2%, AIME 2025: 88.0%, FACTS Grounding: 87.8%, GPQA: 86.4%, VideoMMMU: 83.6%. 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%.

What are the context window sizes for Gemini 2.5 Pro Preview 06-05 and Gemini 4 Argon?

Gemini 2.5 Pro Preview 06-05 supports 1.0M tokens and Gemini 4 Argon supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 2.5 Pro Preview 06-05 and Gemini 4 Argon?

Key differences include LLM Stats Score (29.9 vs 55.4). See the full comparison above for benchmark-by-benchmark results.

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