+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT-5 vs Grok Code Fast 1
Comprehensive side-by-side LLM comparison
GPT-5 leads with 68.1% higher average benchmark score. GPT-5 offers 262.0K more tokens in context window than Grok Code Fast 1. Grok Code Fast 1 is $9.55 cheaper per million tokens. GPT-5 supports multimodal inputs. Overall, GPT-5 is the stronger choice for coding tasks.
+
+
+
+
OpenAI
GPT-5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 70.1% across 35 benchmarks. It excels particularly in SWE-Lancer (IC-Diamond subset) (100.0%), COLLIE (99.0%), Tau2 Telecom (96.7%). It supports a 528K 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 OpenAI's latest advancement in AI technology.
+
+
+
+
xAI
Grok Code Fast 1 is a language model developed by xAI. It achieves strong performance with an average score of 70.8% across 1 benchmarks. Notable strengths include SWE-Bench Verified (70.8%). It supports a 266K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents xAI's latest advancement in AI technology.
21 days newer
GPT-5
OpenAI
2025-08-07
Grok Code Fast 1
xAI
2025-08-28
+
+
+
+
+
+
+
+
+
+
+
+
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
GPT-5
Input:$1.25
Output:$10.00
+
+
+
+
Grok Code Fast 1
Input:$0.20
Output:$1.50($9.55 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 35 common benchmarks
+
+
+
+
GPT-5
Average Score:70.1%(+68.1%)
+
+
+
+
Grok Code Fast 1
Average Score:2.0%
+
+
+
+
Knowledge Cutoff
Training data recency comparison
GPT-5
2024-09-30
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
GPT-5
2 providers
OpenAI
Throughput: 100 tok/s
Latency: 2ms
ZeroEval
Throughput: 100 tok/s
Latency: 2ms
+
+
+
+
+
+
+
+
GPT-5
Avg Score:70.1%(+68.1%)
Providers:2
+
+
+
+
Grok Code Fast 1
Avg Score:2.0%
Providers:1