Doubao 1.5 Pro vs ERNIE 4.5 Pro: which model should you choose?
We compared Doubao 1.5 Pro and ERNIE 4.5 Pro on price, context window and 12 benchmarks. ERNIE 4.5 Pro has the stronger average benchmark score; Doubao 1.5 Pro is cheaper on a blended 3:1 basis.
Doubao 1.5 Pro
Doubao 1.5 Pro is a multimodal model from ByteDance. It offers a 200,000-token context window, costs $13.65 per million input tokens and $48.98 per million output tokens, and averages 79.7 across the index's benchmark suite.
- Input
- $13.65 / 1M
- Output
- $48.98 / 1M
- Context
- 200,000
- Avg score
- 79.7
- 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 | Doubao 1.5 Pro | ERNIE 4.5 Pro | Edge |
|---|---|---|---|
| Input price / 1M | $13.65 | $13.89 | A |
| Output price / 1M | $48.98 | $65.19 | A |
| Context window | 200,000 | 1,000,000 | B |
| Max output | 128,000 | 32,768 | A |
| Average score | 79.7 | 80.5 | B |
| Arena Elo | 1428.3 | 1414.3 | A |
| Open weights | No | No | Tie |
Benchmark comparison
Doubao 1.5 Pro wins 4, ERNIE 4.5 Pro wins 8, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | Doubao 1.5 Pro | ERNIE 4.5 Pro | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 82.8 | 80.3 | 2.5 | Doubao 1.5 Pro |
| GPQA Diamond | 73.1 | 74.7 | 1.6 | ERNIE 4.5 Pro |
| SWE-bench Verified | 70.4 | 66.5 | 3.9 | Doubao 1.5 Pro |
| HumanEval | 82.6 | 86.9 | 4.3 | ERNIE 4.5 Pro |
| MATH-500 | 84.4 | 87.2 | 2.8 | ERNIE 4.5 Pro |
| AIME 2025 | 75.2 | 76.3 | 1.1 | ERNIE 4.5 Pro |
| LiveCodeBench | 73.7 | 76.4 | 2.7 | ERNIE 4.5 Pro |
| IFEval | 85.5 | 86.0 | 0.5 | ERNIE 4.5 Pro |
| TruthfulQA | 81.6 | 83.1 | 1.5 | ERNIE 4.5 Pro |
| HellaSwag | 88.9 | 90.2 | 1.3 | ERNIE 4.5 Pro |
| MMMU | 79.0 | 78.4 | 0.6 | Doubao 1.5 Pro |
| Arena Elo | 1428.3 | 1414.3 | 14.0 | Doubao 1.5 Pro |
Price analysis
On a blended 3:1 input-to-output basis, Doubao 1.5 Pro costs about $22.48 per million tokens and ERNIE 4.5 Pro costs about $26.71. Doubao 1.5 Pro is roughly 16% 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 200,000 for Doubao 1.5 Pro. That matters for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, Doubao 1.5 Pro wins 4, ERNIE 4.5 Pro wins 8, and 0 are tied. On the index average, ERNIE 4.5 Pro leads Doubao 1.5 Pro by 0.8 points (80.5 versus 79.7).
The price picture favours Doubao 1.5 Pro. 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 Doubao 1.5 Pro for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.
Choose Doubao 1.5 Pro if
- Unit cost matters and you want the cheaper blended price.
- You need the larger 128,000-token output limit.
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 Doubao 1.5 Pro better than ERNIE 4.5 Pro?
On the index average, ERNIE 4.5 Pro leads Doubao 1.5 Pro by 0.8 points (80.5 versus 79.7). The better choice depends on price, context and your task. Doubao 1.5 Pro wins 4 benchmarks, ERNIE 4.5 Pro wins 8.
Which is cheaper, Doubao 1.5 Pro or ERNIE 4.5 Pro?
Doubao 1.5 Pro is cheaper on a blended 3:1 basis at about $22.48 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. Doubao 1.5 Pro has 200,000 tokens.
Are these models open weights?
Doubao 1.5 Pro 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 Doubao 1.5 Pro for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.