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Gemini 4 Argon vs Grok 4.5

Gemini 4 Argon leads the LLM Stats Score 55.1 to 45.5. Grok 4.5 is 1.3x cheaper per token.

Google · xAI · Updated for 2026

Which is better?

Gemini 4 Argon leads the overall LLM Stats Score 55.1 to 45.5, ranking #4 overall.

In the 2 individual benchmarks reported for both models, Gemini 4 Argon wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Grok 4.5 is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 4 Argon also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

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 value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Grok 4.5

  • cost matters — it's about 1.3x cheaper per token

At a glance

The differences that matter most.

Core performance indexes
55.1
#4
45.5
#41
53.2
#6
44.8
#43
42.5
#7
32.0
#50
41.2
#4
30.2
#45
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$2.00 / M
$2.00 / M
Output price
$10.00 / M
$6.00 / M
Context window
1,048,576
500,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 4 Argon
Grok 4.5
32.3#4
22.5#56
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

19 reported for Gemini 4 Argon · 15 for Grok 4.5

2 shared

Gemini 4 Argon outperforms in 2 benchmarks (DeepSWE 1.1, Terminal-Bench 4.0), while Grok 4.5 is better at 0 benchmarks.

Gemini 4 Argon significantly outperforms across most benchmarks.

Fri Oct 23 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Grok 4.5 costs less

For input processing, Gemini 4 Argon ($2.00/1M tokens) costs the same as Grok 4.5 ($2.00/1M tokens).

For output processing, Gemini 4 Argon ($10.00/1M tokens) is 1.7x more expensive than Grok 4.5 ($6.00/1M tokens).

In conclusion, Gemini 4 Argon is more expensive than Grok 4.5.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Oct 23 2026 • llm-stats.com
Google
Gemini 4 Argon
Input tokens$2.00
Output tokens$10.00
Best providerGoogle
xAI
Grok 4.5
Input tokens$2.00
Output tokens$6.00
Best providerxAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Gemini 4 Argon accepts 1,048,576 input tokens compared to Grok 4.5's 500,000 tokens. Only Gemini 4 Argon specifies output context (1,048,576 tokens).

Google
Gemini 4 Argon
Input1,048,576 tokens
Output1,048,576 tokens
xAI
Grok 4.5
Input500,000 tokens
Output- tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 4 Argon and Grok 4.5 support multimodal inputs.

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

Gemini 4 Argon

Text
Images
Audio
Video

Grok 4.5

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

Grok 4.5

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 4 Argon was released on 2026-09-30, while Grok 4.5 was released on 2026-07-16.

Gemini 4 Argon is 3 months newer than Grok 4.5.

Gemini 4 Argon

Sep 30, 2026

2 weeks ago

2mo newer
Grok 4.5

Jul 16, 2026

3 months ago

Knowledge Cutoff

When training data ends

Grok 4.5 has a documented knowledge cutoff of 2026-02-01, while Gemini 4 Argon's cutoff date is not specified.

We can confirm Grok 4.5's training data extends to 2026-02-01, but cannot make a direct comparison without Gemini 4 Argon's cutoff date.

Gemini 4 Argon

—

Grok 4.5

Feb 2026

Provider Availability

Gemini 4 Argon is available from Google. Grok 4.5 is available from xAI.

Gemini 4 Argon

google logo
Google
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M

Grok 4.5

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 4 Argon and Grok 4.5 side-by-side, then vote on the output you prefer.

Gemini 4 Argon
✓ Preferred
Grok 4.5
Open in Playground

FAQ

Common questions about Gemini 4 Argon vs Grok 4.5.

Which is better, Gemini 4 Argon or Grok 4.5?

Gemini 4 Argon leads the LLM Stats Score 55.1 to 45.5. Gemini 4 Argon is made by Google and Grok 4.5 is made by xAI. 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 Grok 4.5 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%. Grok 4.5 scores GPQA: 93.0%, Terminal-Bench 2.1: 83.3%, SWE-Bench Pro: 64.7%, AA-Omniscience Index: 63.0%, DeepSWE 1.0: 62.0%.

Is Gemini 4 Argon cheaper than Grok 4.5?

Both models cost $2.00 per million input tokens.

What are the context window sizes for Gemini 4 Argon and Grok 4.5?

Gemini 4 Argon supports 1.0M tokens and Grok 4.5 supports 500K 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 Grok 4.5?

Key differences include LLM Stats Score (55.1 vs 45.5), context window (1.0M vs 500K). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Argon and Grok 4.5?

Gemini 4 Argon is developed by Google and Grok 4.5 is developed by xAI.