Gemini 1.5 Flash 8B vs GPT-4o Comparison

Comparing Gemini 1.5 Flash 8B and GPT-4o across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Gemini 1.5 Flash 8B outperforms in 0 benchmarks, while GPT-4o is better at 4 benchmarks (GPQA, MathVista, MMLU-Pro, MMMU).

GPT-4o significantly outperforms across most benchmarks.

Wed Mar 18 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 35.7x cheaper than GPT-4o ($2.50/1M tokens).

For output processing, Gemini 1.5 Flash 8B ($0.30/1M tokens) is 33.3x cheaper than GPT-4o ($10.00/1M tokens).

In conclusion, GPT-4o 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

Wed Mar 18 2026 • llm-stats.com

Gemini 1.5 Flash 8B

Input tokens$0.07

Output tokens$0.30

Best providerGoogle

GPT-4o

Input tokens$2.50

Output tokens$10.00

Best providerAzure

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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 GPT-4o's 128,000 tokens. GPT-4o can generate longer responses up to 16,384 tokens, while Gemini 1.5 Flash 8B is limited to 8,192 tokens.

Gemini 1.5 Flash 8B

Input1,048,576 tokens

Output8,192 tokens

GPT-4o

Input128,000 tokens

Output16,384 tokens

Wed Mar 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 1.5 Flash 8B and GPT-4o 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

GPT-4o

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

GPT-4o

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.5 Flash 8B was released on 2024-03-15, while GPT-4o was released on 2024-08-06.

GPT-4o is 5 months newer than Gemini 1.5 Flash 8B.

Gemini 1.5 Flash 8B

Mar 15, 2024

2.0 years ago

GPT-4o

Aug 6, 2024

1.6 years ago

4mo newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a documented knowledge cutoff of 2024-10-01, while GPT-4o's cutoff date is not specified.

We can confirm Gemini 1.5 Flash 8B's training data extends to 2024-10-01, but cannot make a direct comparison without GPT-4o's cutoff date.

Gemini 1.5 Flash 8B

Oct 2024

GPT-4o

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Provider Availability

Gemini 1.5 Flash 8B is available from Google. GPT-4o is available from Azure, OpenAI. The availability of providers can affect quality of the model and reliability.