Model Comparison

Claude 3 Opus vs Gemini 3.5 Flash CyberWhich is better in 2026?

Comparing Claude 3 Opus and Gemini 3.5 Flash Cyber across benchmarks, pricing, and capabilities.

Verdict: Claude 3 Opus vs Gemini 3.5 Flash Cyber — which is better?

Claude 3 Opus (by Anthropic) and Gemini 3.5 Flash Cyber (by Google) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Choose Claude 3 Opus if…

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

Choose Gemini 3.5 Flash Cyber if…

  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude 3 Opus and Gemini 3.5 Flash Cyberdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude 3 Opus specifies input context (200,000 tokens). Only Claude 3 Opus specifies output context (200,000 tokens).

Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 tokens
Google
Gemini 3.5 Flash Cyber
Input- tokens
Output- tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Opus supports multimodal inputs, whereas Gemini 3.5 Flash Cyber does not.

Claude 3 Opus can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3 Opus

Text
Images
Audio
Video

Gemini 3.5 Flash Cyber

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 3 Opus

Proprietary

Closed source

Gemini 3.5 Flash Cyber

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while Gemini 3.5 Flash Cyber was released on 2026-07-21.

Gemini 3.5 Flash Cyber is 29 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.4 years ago

Gemini 3.5 Flash Cyber

Jul 21, 2026

0 days ago

2.4yr 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Google

No standout differentiators in the data we have for this pair.

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude 3 Opus and Gemini 3.5 Flash Cyber side-by-side, then vote on the output you prefer.

Claude 3 Opus
✓ Preferred
Gemini 3.5 Flash Cyber
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude 3 Opus
Google
Gemini 3.5 Flash Cyber

FAQ

Common questions about Claude 3 Opus vs Gemini 3.5 Flash Cyber.

Which is better, Claude 3 Opus or Gemini 3.5 Flash Cyber?

Claude 3 Opus (Anthropic) and Gemini 3.5 Flash Cyber (Google) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude 3 Opus compare to Gemini 3.5 Flash Cyber in benchmarks?

Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%. Gemini 3.5 Flash Cyber scores CyberGym: 83.2%.

What are the context window sizes for Claude 3 Opus and Gemini 3.5 Flash Cyber?

Claude 3 Opus supports 200K tokens and Gemini 3.5 Flash Cyber 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 Claude 3 Opus and Gemini 3.5 Flash Cyber?

Key differences include multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Opus and Gemini 3.5 Flash Cyber?

Claude 3 Opus is developed by Anthropic and Gemini 3.5 Flash Cyber is developed by Google.

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