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GPT-3.5 Turbo vs Grok Code Fast 1
Comprehensive side-by-side LLM comparison
GPT-3.5 Turbo leads with 29.7% higher average benchmark score. Grok Code Fast 1 offers 245.5K more tokens in context window than GPT-3.5 Turbo. Both models have similar pricing. Overall, GPT-3.5 Turbo is the stronger choice for coding tasks.
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OpenAI
GPT-3.5 Turbo is a language model developed by OpenAI. The model shows competitive results across 8 benchmarks. Notable strengths include DROP (70.2%), MMLU (69.8%), HumanEval (68.0%). The model is available through 2 API providers.
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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.
2 years newer
GPT-3.5 Turbo
OpenAI
2023-03-21
Grok Code Fast 1
xAI
2025-08-28
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Pricing Comparison
Cost per million tokens (USD)
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GPT-3.5 Turbo
Input:$0.50
Output:$1.50
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Grok Code Fast 1
Input:$0.20
Output:$1.50($0.30 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 9 common benchmarks
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GPT-3.5 Turbo
Average Score:37.6%(+29.7%)
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Grok Code Fast 1
Average Score:7.9%
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Knowledge Cutoff
Training data recency comparison
GPT-3.5 Turbo
2021-09-30
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-3.5 Turbo
2 providers
Azure
Throughput: 90 tok/s
Latency: 0.8ms
OpenAI
Throughput: 100 tok/s
Latency: 0.5ms
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GPT-3.5 Turbo
Avg Score:37.6%(+29.7%)
Providers:2
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Grok Code Fast 1
Avg Score:7.9%
Providers:1