Model Comparison

Comprehensive side-by-side analysis of model capabilities and performance

Anthropic

Claude Sonnet 4.5

Anthropic

Claude Sonnet 4.5 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 78.0% across 10 benchmarks. It excels particularly in Tau2 Telecom (98.0%), MMMLU (89.1%), AIME 2025 (87.0%). It supports a 264K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Anthropic's latest advancement in AI technology.

Google

Gemini 1.5 Flash

Google

Gemini 1.5 Flash is a multimodal language model developed by Google. It achieves strong performance with an average score of 66.8% across 22 benchmarks. It excels particularly in XSTest (97.0%), HellaSwag (86.5%), GSM8k (86.2%). With a 1.1M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents Google's latest advancement in AI technology.

Google

Gemini 1.5 Flash

Google

2024-05-01

Anthropic

Claude Sonnet 4.5

Anthropic

2025-09-29

1 year newer

Pricing Comparison

Cost per million tokens (USD)

Anthropic

Claude Sonnet 4.5

Input:$3.00
Output:$15.00
Google

Gemini 1.5 Flash

$17.25 cheaper
Input:$0.15
Output:$0.60

Performance Metrics

Context window and performance specifications

Anthropic

Claude Sonnet 4.5

Max Context:264.0K
Google

Gemini 1.5 Flash

Larger context
Max Context:1.1M

Average performance across 31 common benchmarks

Anthropic

Claude Sonnet 4.5

Average Score:25.2%
Google

Gemini 1.5 Flash

+22.2%
Average Score:47.4%

Performance comparison across key benchmark categories

Anthropic

Claude Sonnet 4.5

math
+18.1%
87.0%
general
+15.2%
78.0%
vision
+8.6%
77.8%
code
50.0%
Google

Gemini 1.5 Flash

math
68.9%
general
62.7%
vision
69.2%
code
+17.7%
67.7%
Knowledge Cutoff
Training data recency comparison

Gemini 1.5 Flash

2023-11-01

Claude Sonnet 4.5

2025-01-31

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

Anthropic

Claude Sonnet 4.5

2 providers

Anthropic

Throughput: 42 tok/s
Latency: 0.4ms

ZeroEval

Throughput: 42 tok/s
Latency: 0.4ms
Google

Gemini 1.5 Flash

1 providers

Google

Throughput: 150 tok/s
Latency: 0.3ms
Anthropic

Claude Sonnet 4.5

Avg Score:25.2%
Providers:2
Google

Gemini 1.5 Flash

+22.2%
Avg Score:47.4%
Providers:1