Model Comparison

Claude Sonnet 4.6 vs Gemini 3.1 Flash-Lite

Claude Sonnet 4.6 shows notably better performance in the majority of benchmarks. Gemini 3.1 Flash-Lite is 10.7x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Claude Sonnet 4.6 outperforms in 3 benchmarks (GPQA, Humanity's Last Exam, MMMLU), while Gemini 3.1 Flash-Lite is better at 1 benchmark (MMMU-Pro).

Claude Sonnet 4.6 shows notably better performance in the majority of benchmarks.

Sat Apr 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3.1 Flash-Lite costs less

For input processing, Claude Sonnet 4.6 ($3.00/1M tokens) is 12.0x more expensive than Gemini 3.1 Flash-Lite ($0.25/1M tokens).

For output processing, Claude Sonnet 4.6 ($15.00/1M tokens) is 10.0x more expensive than Gemini 3.1 Flash-Lite ($1.50/1M tokens).

In conclusion, Claude Sonnet 4.6 is more expensive than Gemini 3.1 Flash-Lite.*

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

Lowest available price from all providers
Sat Apr 18 2026 • llm-stats.com
Anthropic
Claude Sonnet 4.6
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Google
Gemini 3.1 Flash-Lite
Input tokens$0.25
Output tokens$1.50
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3.1 Flash-Lite accepts 1,000,000 input tokens compared to Claude Sonnet 4.6's 200,000 tokens. Gemini 3.1 Flash-Lite can generate longer responses up to 65,536 tokens, while Claude Sonnet 4.6 is limited to 64,000 tokens.

Anthropic
Claude Sonnet 4.6
Input200,000 tokens
Output64,000 tokens
Google
Gemini 3.1 Flash-Lite
Input1,000,000 tokens
Output65,536 tokens
Sat Apr 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4.6 and Gemini 3.1 Flash-Lite support multimodal inputs.

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

Claude Sonnet 4.6

Text
Images
Audio
Video

Gemini 3.1 Flash-Lite

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 Sonnet 4.6

Proprietary

Closed source

Gemini 3.1 Flash-Lite

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Sonnet 4.6 was released on 2026-02-17, while Gemini 3.1 Flash-Lite was released on 2026-03-03.

Gemini 3.1 Flash-Lite is 0 month newer than Claude Sonnet 4.6.

Claude Sonnet 4.6

Feb 17, 2026

2 months ago

Gemini 3.1 Flash-Lite

Mar 3, 2026

1 months ago

2w newer

Knowledge Cutoff

When training data ends

Gemini 3.1 Flash-Lite has a documented knowledge cutoff of 2025-01-31, while Claude Sonnet 4.6's cutoff date is not specified.

We can confirm Gemini 3.1 Flash-Lite's training data extends to 2025-01-31, but cannot make a direct comparison without Claude Sonnet 4.6's cutoff date.

Claude Sonnet 4.6

—

Gemini 3.1 Flash-Lite

Jan 2025

Provider Availability

Claude Sonnet 4.6 is available from Anthropic. Gemini 3.1 Flash-Lite is available from Google.

Claude Sonnet 4.6

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Gemini 3.1 Flash-Lite

google logo
Google
Input Price:Input: $0.25/1MOutput Price:Output: $1.50/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Anthropic
Higher GPQA score (89.9% vs 86.9%)
Higher Humanity's Last Exam score (49.0% vs 16.0%)
Higher MMMLU score (89.3% vs 88.9%)
Google
Larger context window (1,000,000 tokens)
Less expensive input tokens
Less expensive output tokens
Higher MMMU-Pro score (76.8% vs 75.6%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4.6
Google
Gemini 3.1 Flash-Lite

FAQ

Common questions about Claude Sonnet 4.6 vs Gemini 3.1 Flash-Lite

Claude Sonnet 4.6 shows notably better performance in the majority of benchmarks. Claude Sonnet 4.6 is made by Anthropic and Gemini 3.1 Flash-Lite is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude Sonnet 4.6 scores Tau2 Telecom: 97.9%, Tau2 Retail: 91.7%, GPQA: 89.9%, MMMLU: 89.3%, SWE-Bench Verified: 79.6%. Gemini 3.1 Flash-Lite scores MMMLU: 88.9%, GPQA: 86.9%, VideoMMMU: 84.8%, MMMU-Pro: 76.8%, CharXiv-R: 73.2%.
Gemini 3.1 Flash-Lite is 12.0x cheaper for input tokens. Claude Sonnet 4.6 costs $3.00/M input and $15.00/M output via anthropic. Gemini 3.1 Flash-Lite costs $0.25/M input and $1.50/M output via google.
Claude Sonnet 4.6 supports 200K tokens and Gemini 3.1 Flash-Lite supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 1.0M), input pricing ($3.00 vs $0.25/M). See the full comparison above for benchmark-by-benchmark results.
Claude Sonnet 4.6 is developed by Anthropic and Gemini 3.1 Flash-Lite is developed by Google.