Model Comparison

Gemini 3 Flash vs Claude Sonnet 4

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is 5.3x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Gemini 3 Flash outperforms in 4 benchmarks (AIME 2025, GPQA, MMMLU, SWE-Bench Verified), while Claude Sonnet 4 is better at 0 benchmarks.

Gemini 3 Flash significantly outperforms across most benchmarks.

Thu Apr 16 2026 • llm-stats.com

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 6.0x cheaper than Claude Sonnet 4 ($3.00/1M tokens).

For output processing, Gemini 3 Flash ($3.00/1M tokens) is 5.0x cheaper than Claude Sonnet 4 ($15.00/1M tokens).

In conclusion, Claude Sonnet 4 is more expensive than Gemini 3 Flash.*

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

Lowest available price from all providers
Thu Apr 16 2026 • llm-stats.com
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
Anthropic
Claude Sonnet 4
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
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Context Window

Maximum input and output token capacity

Gemini 3 Flash accepts 1,000,000 input tokens compared to Claude Sonnet 4's 200,000 tokens. Gemini 3 Flash can generate longer responses up to 65,536 tokens, while Claude Sonnet 4 is limited to 64,000 tokens.

Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
Anthropic
Claude Sonnet 4
Input200,000 tokens
Output64,000 tokens
Thu Apr 16 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Flash and Claude Sonnet 4 support multimodal inputs.

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

Gemini 3 Flash

Text
Images
Audio
Video

Claude Sonnet 4

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

Claude Sonnet 4

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while Claude Sonnet 4 was released on 2025-05-22.

Gemini 3 Flash is 7 months newer than Claude Sonnet 4.

Gemini 3 Flash

Dec 17, 2025

4 months ago

6mo newer
Claude Sonnet 4

May 22, 2025

10 months ago

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while Claude Sonnet 4'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 Claude Sonnet 4's cutoff date.

Gemini 3 Flash

Jan 2025

Claude Sonnet 4

—

Provider Availability

Gemini 3 Flash is available from Google. Claude Sonnet 4 is available from Anthropic, Bedrock, Google.

Gemini 3 Flash

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

Claude Sonnet 4

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
google logo
Google
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,000,000 tokens)
Less expensive input tokens
Less expensive output tokens
Higher AIME 2025 score (99.7% vs 70.5%)
Higher GPQA score (90.4% vs 75.4%)
Higher MMMLU score (91.8% vs 86.5%)
Higher SWE-Bench Verified score (78.0% vs 72.7%)
Anthropic
GoogleGemini 3 Flash
AnthropicClaude Sonnet 4
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Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Flash
Anthropic
Claude Sonnet 4

FAQ

Common questions about Gemini 3 Flash vs Claude Sonnet 4

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is made by Google and Claude Sonnet 4 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%. Claude Sonnet 4 scores MMMLU: 86.5%, TAU-bench Retail: 80.5%, GPQA: 75.4%, MMMU: 74.4%, SWE-Bench Verified: 72.7%.
Gemini 3 Flash is 6.0x cheaper for input tokens. Gemini 3 Flash costs $0.50/M input and $3.00/M output via google. Claude Sonnet 4 costs $3.00/M input and $15.00/M output via anthropic.
Gemini 3 Flash supports 1.0M tokens and Claude Sonnet 4 supports 200K 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 200K), input pricing ($0.50 vs $3.00/M). See the full comparison above for benchmark-by-benchmark results.
Gemini 3 Flash is developed by Google and Claude Sonnet 4 is developed by Anthropic.