Claude 3.5 Sonnet vs Gemini 1.5 Flash 8B

Comparing Claude 3.5 Sonnet by Anthropic and Gemini 1.5 Flash 8B by Google across benchmarks, pricing, and capabilities.

Claude 3.5 Sonnet significantly outperforms across most benchmarks. Gemini 1.5 Flash 8B is 47.1x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Claude 3.5 Sonnet outperforms in 5 benchmarks (GPQA, MATH, MathVista, MMLU-Pro, MMMU), while Gemini 1.5 Flash 8B is better at 0 benchmarks.

Claude 3.5 Sonnet significantly outperforms across most benchmarks.

Tue Mar 24 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, Claude 3.5 Sonnet ($3.00/1M tokens) is 42.9x more expensive than Gemini 1.5 Flash 8B ($0.07/1M tokens).

For output processing, Claude 3.5 Sonnet ($15.00/1M tokens) is 50.0x more expensive than Gemini 1.5 Flash 8B ($0.30/1M tokens).

In conclusion, Claude 3.5 Sonnet 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 24 2026 • llm-stats.com

Claude 3.5 Sonnet

Input tokens$3.00

Output tokens$15.00

Best providerAnthropic

Gemini 1.5 Flash 8B

Input tokens$0.07

Output tokens$0.30

Best providerGoogle

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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 Claude 3.5 Sonnet's 200,000 tokens. Claude 3.5 Sonnet can generate longer responses up to 200,000 tokens, while Gemini 1.5 Flash 8B is limited to 8,192 tokens.

Claude 3.5 Sonnet

Input200,000 tokens

Output200,000 tokens

Gemini 1.5 Flash 8B

Input1,048,576 tokens

Output8,192 tokens

Tue Mar 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3.5 Sonnet and Gemini 1.5 Flash 8B support multimodal inputs.

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

Claude 3.5 Sonnet

Text

Images

Audio

Video

Gemini 1.5 Flash 8B

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 3.5 Sonnet

Proprietary

Closed source

Gemini 1.5 Flash 8B

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-10-22, while Gemini 1.5 Flash 8B was released on 2024-03-15.

Claude 3.5 Sonnet is 7 months newer than Gemini 1.5 Flash 8B.

Claude 3.5 Sonnet

Oct 22, 2024

1.4 years ago

7mo newer

Gemini 1.5 Flash 8B

Mar 15, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a documented knowledge cutoff of 2024-10-01, while Claude 3.5 Sonnet'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 Claude 3.5 Sonnet's cutoff date.

Claude 3.5 Sonnet

—

Gemini 1.5 Flash 8B

Oct 2024

Provider Availability

Claude 3.5 Sonnet is available from Anthropic, Bedrock, Google. Gemini 1.5 Flash 8B is available from Google. The availability of providers can affect quality of the model and reliability.