The AI arena is free today

Open Superagent

Claude Opus 4 vs Gemini 4 Argon

Gemini 4 Argon leads the LLM Stats Score 55.1 to 27.4. Gemini 4 Argon is 7.5x cheaper per token.

Anthropic · Google · Updated for 2026

Which is better?

Gemini 4 Argon leads the overall LLM Stats Score 55.1 to 27.4, ranking #4 overall.

On price, Gemini 4 Argon is roughly 7.5x 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 Claude Opus 4

  • you want predictable pricing at $15.00/M input and $75.00/M output

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
  • cost matters — it's about 7.5x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Claude Opus 4
Anthropic
Gemini 4 Argon
Google
Core performance indexes
LLM Stats Score
27.4
#164
55.1
#4
Reasoning
27.4
#158
53.2
#6
Coding
17.3
#141
42.5
#7
Agents
8.0
#156
41.2
#4
Cost, coverage & limits
Benchmark wins
—
—
Input price
$15.00 / M
$2.00 / M
Output price
$75.00 / M
$10.00 / M
Context window
200,000
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Opus 4
Gemini 4 Argon
Vision
12.5#116
37.2#8
Tool use
19.1#78
32.3#4
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude Opus 4 · 19 for Gemini 4 Argon

No common benchmarks found

Claude Opus 4 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

Pricing Analysis

Price comparison per million tokens

Gemini 4 Argon costs less

For input processing, Claude Opus 4 ($15.00/1M tokens) is 7.5x more expensive than Gemini 4 Argon ($2.00/1M tokens).

For output processing, Claude Opus 4 ($75.00/1M tokens) is 7.5x more expensive than Gemini 4 Argon ($10.00/1M tokens).

In conclusion, Claude Opus 4 is more expensive than Gemini 4 Argon.*

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

Lowest available price from all providers
Fri Oct 23 2026 • llm-stats.com
Anthropic
Claude Opus 4
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Google
Gemini 4 Argon
Input tokens$2.00
Output tokens$10.00
Best providerGoogle
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Gemini 4 Argon accepts 1,048,576 input tokens compared to Claude Opus 4's 200,000 tokens. Gemini 4 Argon can generate longer responses up to 1,048,576 tokens, while Claude Opus 4 is limited to 32,000 tokens.

Anthropic
Claude Opus 4
Input200,000 tokens
Output32,000 tokens
Google
Gemini 4 Argon
Input1,048,576 tokens
Output1,048,576 tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Opus 4 and Gemini 4 Argon support multimodal inputs.

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

Claude Opus 4

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.

Claude Opus 4

Proprietary

Closed source

Gemini 4 Argon

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 4 was released on 2025-05-22, while Gemini 4 Argon was released on 2026-09-30.

Gemini 4 Argon is 17 months newer than Claude Opus 4.

Claude Opus 4

May 22, 2025

1.4 years ago

Gemini 4 Argon

Sep 30, 2026

2 weeks ago

1.4yr newer

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

Provider Availability

Claude Opus 4 is available from Anthropic, Bedrock, Google. Gemini 4 Argon is available from Google.

Claude Opus 4

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

Gemini 4 Argon

google logo
Google
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

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

Claude Opus 4
✓ Preferred
Gemini 4 Argon
Open in Playground

FAQ

Common questions about Claude Opus 4 vs Gemini 4 Argon.

Which is better, Claude Opus 4 or Gemini 4 Argon?

Gemini 4 Argon leads the LLM Stats Score 55.1 to 27.4. Claude Opus 4 is made by Anthropic 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 Claude Opus 4 compare to Gemini 4 Argon in benchmarks?

Claude Opus 4 scores MMMLU: 88.8%, TAU-bench Retail: 81.4%, GPQA: 79.6%, MMMU (validation): 76.5%, AIME 2025: 75.5%. 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%.

Is Claude Opus 4 cheaper than Gemini 4 Argon?

Gemini 4 Argon is 7.5x cheaper for input tokens. Claude Opus 4 costs $15.00/M input and $75.00/M output via anthropic. Gemini 4 Argon costs $2.00/M input and $10.00/M output via google.

What are the context window sizes for Claude Opus 4 and Gemini 4 Argon?

Claude Opus 4 supports 200K tokens and Gemini 4 Argon supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Opus 4 and Gemini 4 Argon?

Key differences include LLM Stats Score (27.4 vs 55.1), context window (200K vs 1.0M), input pricing ($15.00 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4 and Gemini 4 Argon?

Claude Opus 4 is developed by Anthropic and Gemini 4 Argon is developed by Google.

Related comparisons