Gemini 1.5 Flash 8B vs Grok-3 Comparison

Comparing Gemini 1.5 Flash 8B and Grok-3 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemini 1.5 Flash 8B outperforms in 0 benchmarks, while Grok-3 is better at 2 benchmarks (GPQA, MMMU).

Grok-3 significantly outperforms across most benchmarks.

Sun Mar 22 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 42.9x cheaper than Grok-3 ($3.00/1M tokens).

For output processing, Gemini 1.5 Flash 8B ($0.30/1M tokens) is 50.0x cheaper than Grok-3 ($15.00/1M tokens).

In conclusion, Grok-3 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

Sun Mar 22 2026 • llm-stats.com

Gemini 1.5 Flash 8B

Input tokens$0.07

Output tokens$0.30

Best providerGoogle

Grok-3

Input tokens$3.00

Output tokens$15.00

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's 128,000 tokens. Gemini 1.5 Flash 8B can generate longer responses up to 8,192 tokens, while Grok-3 is limited to 8,000 tokens.

Gemini 1.5 Flash 8B

Input1,048,576 tokens

Output8,192 tokens

Grok-3

Input128,000 tokens

Output8,000 tokens

Sun Mar 22 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 1.5 Flash 8B and Grok-3 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

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

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

Gemini 1.5 Flash 8B

Mar 15, 2024

2.0 years ago

Grok-3

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 has a cutoff of 2024-11-17.

Grok-3 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

Nov 2024

1 mo newer

Provider Availability

Gemini 1.5 Flash 8B is available from Google. Grok-3 is available from xAI. The availability of providers can affect quality of the model and reliability.