Model Comparison

Gemini 1.5 Flash 8B vs Grok-3 Mini

Grok-3 Mini significantly outperforms across most benchmarks. Gemini 1.5 Flash 8B is 2.7x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini 1.5 Flash 8B outperforms in 0 benchmarks, while Grok-3 Mini is better at 1 benchmark (GPQA).

Grok-3 Mini significantly outperforms across most benchmarks.

Tue Mar 31 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 1.5 Flash 8B costs less

For input processing, Gemini 1.5 Flash 8B ($0.07/1M tokens) is 4.3x cheaper than Grok-3 Mini ($0.30/1M tokens).

For output processing, Gemini 1.5 Flash 8B ($0.30/1M tokens) is 1.7x cheaper than Grok-3 Mini ($0.50/1M tokens).

In conclusion, Grok-3 Mini is more expensive than Gemini 1.5 Flash 8B.*

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

Lowest available price from all providers
Tue Mar 31 2026 • llm-stats.com
Google
Gemini 1.5 Flash 8B
Input tokens$0.07
Output tokens$0.30
Best providerGoogle
xAI
Grok-3 Mini
Input tokens$0.30
Output tokens$0.50
Best providerxAI
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Context Window

Maximum input and output token capacity

Gemini 1.5 Flash 8B accepts 1,048,576 input tokens compared to Grok-3 Mini's 128,000 tokens. Gemini 1.5 Flash 8B can generate longer responses up to 8,192 tokens, while Grok-3 Mini is limited to 8,000 tokens.

Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 tokens
xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
Tue Mar 31 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 1.5 Flash 8B and Grok-3 Mini support multimodal inputs.

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

Gemini 1.5 Flash 8B

Text
Images
Audio
Video

Grok-3 Mini

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 1.5 Flash 8B

Proprietary

Closed source

Grok-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.5 Flash 8B was released on 2024-03-15, while Grok-3 Mini was released on 2025-02-17.

Grok-3 Mini is 11 months newer than Gemini 1.5 Flash 8B.

Gemini 1.5 Flash 8B

Mar 15, 2024

2.0 years ago

Grok-3 Mini

Feb 17, 2025

1.1 years ago

11mo newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a knowledge cutoff of 2024-10-01, while Grok-3 Mini has a cutoff of 2024-11-17.

Grok-3 Mini has more recent training data (up to 2024-11-17), making it potentially better informed about events through that date compared to Gemini 1.5 Flash 8B (2024-10-01).

Gemini 1.5 Flash 8B

Oct 2024

Grok-3 Mini

Nov 2024

1 mo newer

Provider Availability

Gemini 1.5 Flash 8B is available from Google. Grok-3 Mini is available from xAI.

Gemini 1.5 Flash 8B

google logo
Google
Input Price:Input: $0.07/1MOutput Price:Output: $0.30/1M

Grok-3 Mini

xai logo
xAI
Input Price:Input: $0.30/1MOutput Price:Output: $0.50/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
xAI
Higher GPQA score (84.0% vs 38.4%)
GoogleGemini 1.5 Flash 8B
xAIGrok-3 Mini
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 1.5 Flash 8B
xAI
Grok-3 Mini

FAQ

Common questions about Gemini 1.5 Flash 8B vs Grok-3 Mini

Grok-3 Mini significantly outperforms across most benchmarks. Gemini 1.5 Flash 8B is made by Google and Grok-3 Mini is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%. Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%.
Gemini 1.5 Flash 8B is 4.3x cheaper for input tokens. Gemini 1.5 Flash 8B costs $0.07/M input and $0.30/M output via google. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai.
Gemini 1.5 Flash 8B supports 1.0M tokens and Grok-3 Mini supports 128K 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 128K), input pricing ($0.07 vs $0.30/M). See the full comparison above for benchmark-by-benchmark results.
Gemini 1.5 Flash 8B is developed by Google and Grok-3 Mini is developed by xAI.