Model Comparison
Command A
vs. GPT-5.5 (xhigh)
Comparing 2 AI models · 12 benchmarks · Cohere, OpenAI
Recommended Pick
Op GPT-5.5 (xhigh) 10 metric wins Strongest on: Reasoning, Intelligence, Coding
Best Value
Command A
100.0 value score
26.9 reasoning / $4.38/1M
Lowest Price
Command A
$2.50/1M input price
Best Reasoning
GPT-5.5 (xhigh)
66.0 reasoning score
Blends available reasoning benchmarks
Best for Coding
GPT-5.5 (xhigh)
59.1 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
Command A has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Command A is 2.0x cheaper on input tokens than GPT-5.5 (xhigh).
Speed gap
Command A generates about 1.3x as many tokens per second as GPT-5.5 (xhigh).
Reasoning gap
GPT-5.5 (xhigh) leads Command A by 39.1 points on reasoning.
Coding gap
GPT-5.5 (xhigh) leads Command A by 49.2 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Command A
Cohere
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
GPT-5.5 (xhigh)
OpenAI
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | Co Command A | Top Pick Op GPT-5.5 (xhigh) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.50/1M | $5.00/1M |
| Output Cost | $10.00/1M | $30.00/1M |
| Blended (3:1) | $4.38/1M | $11.25/1M |
| Specifications | ||
| Organization | Cohere | OpenAI |
| Release Date | Mar 13, 2025 | Apr 23, 2026 |
| Performance & Speed | ||
| Throughput | 78.7 tok/s | 62.1 tok/s |
| TTFT | 268ms | 51014ms |
| Latency | 268ms | 51014ms |
| Composite Indices | ||
| Value Score | 100.0 | 95.4 |
| Reasoning Score | 26.9 | 66.0 |
| Intelligence | 13.5 | 60.2 |
| Coding | 9.9 | 59.1 |
| Math | 13.0 | — |
| Standard Benchmarks | ||
| GPQA | 52.7% | 93.5% |
| MMLU Pro | 71.2% | — |
| HLE | 4.6% | 44.3% |
| LiveCodeBench | 28.7% | — |
| MATH 500 | 81.9% | — |
| AIME 2025 | 13.0% | — |
| AIME (Original) | 9.7% | — |
| SciCode | 28.1% | 56.1% |
| LCR | 18.0% | 74.3% |
| IFBench | 36.5% | 75.9% |
| TAU-bench v2 | 15.2% | 93.9% |
| TerminalBench Hard | 0.8% | 60.6% |
Key Takeaways
Command A offers the best value at $2.50/1M, making it ideal for high-volume applications and cost-conscious projects.
GPT-5.5 (xhigh) has the strongest reasoning profile with a 66.0 reasoning score, combining the available reasoning-heavy benchmarks.
GPT-5.5 (xhigh) reaches a 59.1 coding index, making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Command A
- Cost-sensitive applications
- High-volume processing
GPT-5.5 (xhigh)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
