Model Comparison

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

Google

Gemini 2.5 Flash

Google

Gemini 2.5 Flash is a multimodal language model developed by Google. It achieves strong performance with an average score of 62.5% across 14 benchmarks. It excels particularly in Global-MMLU-Lite (88.4%), AIME 2024 (88.0%), FACTS Grounding (85.3%). With a 1.1M token context window, it can handle extensive documents and complex multi-turn conversations. 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 Google's latest advancement in AI technology.

xAI

Grok-4 Heavy

xAI

Grok-4 Heavy is a multimodal language model developed by xAI. It achieves strong performance with an average score of 79.5% across 6 benchmarks. It excels particularly in AIME 2025 (100.0%), HMMT25 (96.7%), GPQA (88.4%). The model shows particular specialization in general tasks with an average performance of 79.5%. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.

Google

Gemini 2.5 Flash

Google

2025-05-20

xAI

Grok-4 Heavy

xAI

2025-07-09

1 month newer

Performance Metrics

Context window and performance specifications

Google

Gemini 2.5 Flash

Larger context
Max Context:1.1M
xAI

Grok-4 Heavy

Max Context:-

Average performance across 3 common benchmarks

Google

Gemini 2.5 Flash

Average Score:55.3%
xAI

Grok-4 Heavy

+24.4%
Average Score:79.7%

Performance comparison across key benchmark categories

Google

Gemini 2.5 Flash

general
58.0%
code
64.7%
xAI

Grok-4 Heavy

general
+21.5%
79.5%
code
+14.8%
79.4%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-4 Heavy

2024-12-31

Gemini 2.5 Flash

2025-01-31

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

Google

Gemini 2.5 Flash

2 providers

Google

Throughput: 85 tok/s
Latency: 0.7ms

ZeroEval

Throughput: 85 tok/s
Latency: 0.7ms
xAI

Grok-4 Heavy

0 providers
Google

Gemini 2.5 Flash

Avg Score:55.3%
Providers:2
xAI

Grok-4 Heavy

+24.4%
Avg Score:79.7%
Providers:0