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Claude Sonnet 4 vs Grok-1.5
Comprehensive side-by-side LLM comparison
Claude Sonnet 4 leads with 30.2% higher average benchmark score. Claude Sonnet 4 supports multimodal inputs. Claude Sonnet 4 is available on 4 providers. Overall, Claude Sonnet 4 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4 was created as the balanced offering in the Claude 4 family, designed to provide strong intelligence with practical speed and cost efficiency. Built to serve as a versatile workhorse for diverse applications, it balances advanced capabilities with operational considerations for everyday enterprise and consumer use.
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xAI
Grok 1.5 was developed by xAI as an advanced language model, designed to provide helpful and accurate information with a focus on reasoning and factual knowledge. Built to serve as a conversational AI with strong analytical capabilities, it represents xAI's early generation of foundation models.
1 year newer
Grok-1.5
xAI
2024-03-28
Claude Sonnet 4
Anthropic
2025-05-22
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Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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Claude Sonnet 4
Average Score:74.9%(+30.2%)
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Grok-1.5
Average Score:44.8%
Provider Availability & Performance
Available providers and their performance metrics
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Claude Sonnet 4
4 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Sonnet 4
Avg Score:74.9%(+30.2%)
Providers:4
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Grok-1.5
Avg Score:44.8%
Providers:0