+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT-4 Turbo vs Grok-4 Heavy
Comprehensive side-by-side LLM comparison
Grok-4 Heavy leads with 40.4% higher average benchmark score. Grok-4 Heavy supports multimodal inputs. GPT-4 Turbo is available on 2 providers. Overall, Grok-4 Heavy is the stronger choice for coding tasks.
+
+
+
+
OpenAI
GPT-4 Turbo was introduced as an optimized version of GPT-4, designed to provide enhanced performance with improved efficiency and an expanded context window. Built with updated knowledge and refined capabilities, it offered developers a more cost-effective way to leverage GPT-4's advanced reasoning while handling longer conversations and documents.
+
+
+
+
xAI
Grok 4 Heavy was created as a larger, more capable variant of Grok 4, designed to provide maximum reasoning depth and analytical capability. Built for the most demanding applications requiring sophisticated problem-solving, it represents xAI's flagship offering in the fourth generation.
1 year newer
GPT-4 Turbo
OpenAI
2024-04-09
Grok-4 Heavy
xAI
2025-07-09
+
+
+
+
+
+
+
+
+
+
+
+
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
+
+
+
+
GPT-4 Turbo
Average Score:48.0%
+
+
+
+
Grok-4 Heavy
Average Score:88.4%(+40.4%)
+
+
+
+
Knowledge Cutoff
Training data recency comparison
GPT-4 Turbo
2023-12-31
Grok-4 Heavy
2024-12-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
GPT-4 Turbo
2 providers
Azure
Throughput: 97 tok/s
Latency: 0.6ms
OpenAI
Throughput: 100 tok/s
Latency: 0.5ms
+
+
+
+
+
+
+
+
GPT-4 Turbo
Avg Score:48.0%
Providers:2
+
+
+
+
Grok-4 Heavy
Avg Score:88.4%(+40.4%)
Providers:0