Command A Reasoning vs ERNIE 4.5 Pro: which model should you choose?
We compared Command A Reasoning and ERNIE 4.5 Pro on price, context window and 12 benchmarks. ERNIE 4.5 Pro has the stronger average benchmark score; Command A Reasoning is cheaper on a blended 3:1 basis.
Command A Reasoning
Command A Reasoning is a multimodal model from Cohere. It offers a 400,000-token context window, costs $13.74 per million input tokens and $51.49 per million output tokens, and averages 80.2 across the index's benchmark suite.
- Input
- $13.74 / 1M
- Output
- $51.49 / 1M
- Context
- 400,000
- Avg score
- 80.2
- Open weights
- No
ERNIE 4.5 Pro
ERNIE 4.5 Pro is a multimodal model from Baidu. It offers a 1,000,000-token context window, costs $13.89 per million input tokens and $65.19 per million output tokens, and averages 80.5 across the index's benchmark suite.
- Input
- $13.89 / 1M
- Output
- $65.19 / 1M
- Context
- 1,000,000
- Avg score
- 80.5
- Open weights
- No
Specification comparison
| Spec | Command A Reasoning | ERNIE 4.5 Pro | Edge |
|---|---|---|---|
| Input price / 1M | $13.74 | $13.89 | A |
| Output price / 1M | $51.49 | $65.19 | A |
| Context window | 400,000 | 1,000,000 | B |
| Max output | 65,536 | 32,768 | A |
| Average score | 80.2 | 80.5 | B |
| Arena Elo | 1435.9 | 1414.3 | A |
| Open weights | No | No | Tie |
Benchmark comparison
Command A Reasoning wins 5, ERNIE 4.5 Pro wins 7, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | Command A Reasoning | ERNIE 4.5 Pro | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 80.2 | 80.3 | 0.1 | ERNIE 4.5 Pro |
| GPQA Diamond | 76.3 | 74.7 | 1.6 | Command A Reasoning |
| SWE-bench Verified | 71.1 | 66.5 | 4.6 | Command A Reasoning |
| HumanEval | 83.6 | 86.9 | 3.3 | ERNIE 4.5 Pro |
| MATH-500 | 85.2 | 87.2 | 2.0 | ERNIE 4.5 Pro |
| AIME 2025 | 74.2 | 76.3 | 2.1 | ERNIE 4.5 Pro |
| LiveCodeBench | 74.1 | 76.4 | 2.3 | ERNIE 4.5 Pro |
| IFEval | 87.8 | 86.0 | 1.8 | Command A Reasoning |
| TruthfulQA | 83.4 | 83.1 | 0.3 | Command A Reasoning |
| HellaSwag | 87.6 | 90.2 | 2.6 | ERNIE 4.5 Pro |
| MMMU | 78.2 | 78.4 | 0.2 | ERNIE 4.5 Pro |
| Arena Elo | 1435.9 | 1414.3 | 21.6 | Command A Reasoning |
Price analysis
On a blended 3:1 input-to-output basis, Command A Reasoning costs about $23.18 per million tokens and ERNIE 4.5 Pro costs about $26.71. Command A Reasoning is roughly 13% cheaper than ERNIE 4.5 Pro. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
ERNIE 4.5 Pro has the larger context window at 1,000,000 tokens, compared with 400,000 for Command A Reasoning. That matters for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, Command A Reasoning wins 5, ERNIE 4.5 Pro wins 7, and 0 are tied. On the index average, ERNIE 4.5 Pro leads Command A Reasoning by 0.3 points (80.5 versus 80.2).
The price picture favours Command A Reasoning. The context picture favours ERNIE 4.5 Pro. Those two dimensions often matter more than a few benchmark points once a model is good enough for the task.
If you need a single default, start with ERNIE 4.5 Pro for quality-sensitive work and Command A Reasoning for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.
Choose Command A Reasoning if
- Unit cost matters and you want the cheaper blended price.
- You need the larger 65,536-token output limit.
- The workload needs multi-step reasoning.
Choose ERNIE 4.5 Pro if
- You want the higher average benchmark score in this index.
- You need the larger 1,000,000-token context window.
FAQ
Is Command A Reasoning better than ERNIE 4.5 Pro?
On the index average, ERNIE 4.5 Pro leads Command A Reasoning by 0.3 points (80.5 versus 80.2). The better choice depends on price, context and your task. Command A Reasoning wins 5 benchmarks, ERNIE 4.5 Pro wins 7.
Which is cheaper, Command A Reasoning or ERNIE 4.5 Pro?
Command A Reasoning is cheaper on a blended 3:1 basis at about $23.18 per million tokens, versus $26.71 for ERNIE 4.5 Pro.
Which has the larger context window?
ERNIE 4.5 Pro has the larger context window at 1,000,000 tokens. Command A Reasoning has 400,000 tokens.
Are these models open weights?
Command A Reasoning is proprietary; ERNIE 4.5 Pro is proprietary.
Which should I choose for production?
If you need a single default, start with ERNIE 4.5 Pro for quality-sensitive work and Command A Reasoning for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.