Claude Sonnet 4.5 vs Command A
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Claude Sonnet 4.5 by Anthropic wins on 13 of 17 benchmarks against Command A by Cohere, which leads on 4. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Claude Sonnet 4.5 scores 1380 on Chatbot Arena ELO compared to Command A's 1250, while Claude Sonnet 4.5 scores 83.0% on MMLU-Pro compared to Command A's 68.0%, while Claude Sonnet 4.5 scores 21.2 on AA Intelligence Index compared to Command A's 13.9.
Coding: In coding, Claude Sonnet 4.5 scores 90.0% on HumanEval+ compared to Command A's 78.0%, while Claude Sonnet 4.5 scores 77.2% on SWE-bench Verified compared to Command A's 32.0%, while Claude Sonnet 4.5 scores 62.0% on LiveCodeBench compared to Command A's 35.0%, while Claude Sonnet 4.5 scores 52.1 on AA Coding Index compared to Command A's 27.8.
Math: In math, Claude Sonnet 4.5 scores 87.0% on MATH compared to Command A's 72.0%, while Claude Sonnet 4.5 scores 95.5% on GSM8K compared to Command A's 88.0%.
Reasoning: In reasoning, Claude Sonnet 4.5 scores 83.4% on GPQA Diamond compared to Command A's 45.0%, while Claude Sonnet 4.5 scores 45.0% on ARC-AGI compared to Command A's 15.0%, while Claude Sonnet 4.5 scores 17.5 on AA Agentic Index compared to Command A's 3.6.
Context: In context, Claude Sonnet 4.5 scores 1.0M on Context Length compared to Command A's 256K.
Pricing Comparison
Claude Sonnet 4.5 costs $3.0/1M input tokens and $15.0/1M output tokens, while Command A costs $2.5/1M input and $10.0/1M output. Command A is the more affordable option for API usage.
Speed Comparison
Claude Sonnet 4.5 generates output at 67 tok/s compared to Command A's 70 tok/s, and the time to first token is 1170 ms for Claude Sonnet 4.5 versus 400 ms for Command A. Command A delivers faster throughput.
Verdict
For developers prioritizing coding and general intelligence and math, Claude Sonnet 4.5 has the edge. For those who value affordability and speed, Command A is the stronger choice.
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Claude Sonnet 4.5 vs Command A — FAQ
Which is better, Claude Sonnet 4.5 or Command A?
Claude Sonnet 4.5 wins on more benchmarks overall (13 vs 4). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude Sonnet 4.5 compare to Command A for coding?
Claude Sonnet 4.5 is better for coding, scoring 77.2% on SWE-bench Verified compared to 32.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude Sonnet 4.5 cheaper than Command A?
Yes, Command A is cheaper. Claude Sonnet 4.5 costs $3.0/1M input and $15.0/1M output tokens. Command A costs $2.5/1M input and $10.0/1M output tokens.
Which is faster, Claude Sonnet 4.5 or Command A?
Command A is faster, generating output at 70 tok/s compared to 67 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude Sonnet 4.5 vs Command A comparison cover?
This comparison covers 17 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, LiveCodeBench, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.