Model Comparison

Gemini 3 Flash vs Grok-4.20 Multi-Agent Beta

Comparing Gemini 3 Flash and Grok-4.20 Multi-Agent Beta across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 3 Flash and Grok-4.20 Multi-Agent Beta don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3 Flash costs less

For input processing, Gemini 3 Flash ($0.50/1M tokens) is 4.0x cheaper than Grok-4.20 Multi-Agent Beta ($2.00/1M tokens).

For output processing, Gemini 3 Flash ($3.00/1M tokens) is 2.0x cheaper than Grok-4.20 Multi-Agent Beta ($6.00/1M tokens).

In conclusion, Grok-4.20 Multi-Agent Beta is more expensive than Gemini 3 Flash.*

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

Lowest available price from all providers
Sat Apr 18 2026 • llm-stats.com
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
xAI
Grok-4.20 Multi-Agent Beta
Input tokens$2.00
Output tokens$6.00
Best providerxAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Grok-4.20 Multi-Agent Beta accepts 2,000,000 input tokens compared to Gemini 3 Flash's 1,000,000 tokens. Gemini 3 Flash can generate longer responses up to 65,536 tokens, while Grok-4.20 Multi-Agent Beta is limited to 30,000 tokens.

Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
xAI
Grok-4.20 Multi-Agent Beta
Input2,000,000 tokens
Output30,000 tokens
Sat Apr 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Flash and Grok-4.20 Multi-Agent Beta support multimodal inputs.

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

Gemini 3 Flash

Text
Images
Audio
Video

Grok-4.20 Multi-Agent Beta

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 3 Flash

Proprietary

Closed source

Grok-4.20 Multi-Agent Beta

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while Grok-4.20 Multi-Agent Beta was released on 2026-03-09.

Grok-4.20 Multi-Agent Beta is 3 months newer than Gemini 3 Flash.

Gemini 3 Flash

Dec 17, 2025

4 months ago

Grok-4.20 Multi-Agent Beta

Mar 9, 2026

1 months ago

2mo newer

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while Grok-4.20 Multi-Agent Beta's cutoff date is not specified.

We can confirm Gemini 3 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without Grok-4.20 Multi-Agent Beta's cutoff date.

Gemini 3 Flash

Jan 2025

Grok-4.20 Multi-Agent Beta

—

Provider Availability

Gemini 3 Flash is available from Google. Grok-4.20 Multi-Agent Beta is available from xAI.

Gemini 3 Flash

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M

Grok-4.20 Multi-Agent Beta

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

Outputs Comparison

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Key Takeaways

Google
Less expensive input tokens
Less expensive output tokens
xAI
Larger context window (2,000,000 tokens)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Flash
xAI
Grok-4.20 Multi-Agent Beta

FAQ

Common questions about Gemini 3 Flash vs Grok-4.20 Multi-Agent Beta

Gemini 3 Flash (Google) and Grok-4.20 Multi-Agent Beta (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.
Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%.
Gemini 3 Flash is 4.0x cheaper for input tokens. Gemini 3 Flash costs $0.50/M input and $3.00/M output via google. Grok-4.20 Multi-Agent Beta costs $2.00/M input and $6.00/M output via xai.
Gemini 3 Flash supports 1.0M tokens and Grok-4.20 Multi-Agent Beta supports 2.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (1.0M vs 2.0M), input pricing ($0.50 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.
Gemini 3 Flash is developed by Google and Grok-4.20 Multi-Agent Beta is developed by xAI.