+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Grok Code Fast 1 vs o3
Comprehensive side-by-side LLM comparison
Grok Code Fast 1 leads with 1.7% higher average benchmark score. o3 offers 34.0K more tokens in context window than Grok Code Fast 1. Grok Code Fast 1 is $8.30 cheaper per million tokens. o3 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
+
+
+
+
xAI
Grok Code Fast was developed as a specialized coding model optimized for speed, designed to provide rapid code completion, generation, and assistance. Built to serve developers requiring quick feedback and iterative coding support, it combines programming expertise with low-latency responses.
+
+
+
+
OpenAI
o3 represents the next generation in OpenAI's reasoning model series, developed to advance the capabilities of deliberate, step-by-step problem solving. Built to handle increasingly complex challenges across mathematics, science, and coding, it continues the evolution of reasoning-focused AI with improved analytical depth and accuracy.
4 months newer
o3
OpenAI
2025-04-16
Grok Code Fast 1
xAI
2025-08-28
+
+
+
+
+
+
+
+
+
+
+
+
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
Grok Code Fast 1
Input:$0.20
Output:$1.50($8.30 cheaper)
+
+
+
+
o3
Input:$2.00
Output:$8.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
+
+
+
+
Grok Code Fast 1
Average Score:70.8%(+1.7%)
+
+
+
+
o3
Average Score:69.1%
Performance comparison across key benchmark categories
+
+
+
+
Grok Code Fast 1
Coding70.8%(+1.7%)
+
+
+
+
o3
Coding69.1%
+
+
+
+
Knowledge Cutoff
Training data recency comparison
o3
2024-05-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
Grok Code Fast 1
1 providers
xAI
Throughput: 76.41 tok/s
Latency: 1.38ms
+
+
+
+
o3
+
+
+
+
Grok Code Fast 1
Avg Score:70.8%(+1.7%)
Providers:1
+
+
+
+
o3
Avg Score:69.1%
Providers:1