ERNIE 4.5 vs ERNIE 4.5 Turbo: which model should you choose?
We compared ERNIE 4.5 and ERNIE 4.5 Turbo on price, context window and 12 benchmarks. ERNIE 4.5 has the stronger average benchmark score; ERNIE 4.5 Turbo is cheaper on a blended 3:1 basis.
ERNIE 4.5
ERNIE 4.5 is a multimodal model from Baidu. It offers a 65,536-token context window, costs $13.44 per million input tokens and $56.59 per million output tokens, and averages 80.0 across the index's benchmark suite.
- Input
- $13.44 / 1M
- Output
- $56.59 / 1M
- Context
- 65,536
- Avg score
- 80.0
- Open weights
- No
ERNIE 4.5 Turbo
ERNIE 4.5 Turbo is a multimodal model from Baidu. It offers a 128,000-token context window, costs $13.75 per million input tokens and $54.36 per million output tokens, and averages 79.7 across the index's benchmark suite.
- Input
- $13.75 / 1M
- Output
- $54.36 / 1M
- Context
- 128,000
- Avg score
- 79.7
- Open weights
- No
Specification comparison
| Spec | ERNIE 4.5 | ERNIE 4.5 Turbo | Edge |
|---|---|---|---|
| Input price / 1M | $13.44 | $13.75 | A |
| Output price / 1M | $56.59 | $54.36 | B |
| Context window | 65,536 | 128,000 | B |
| Max output | 32,768 | 32,768 | Tie |
| Average score | 80.0 | 79.7 | A |
| Arena Elo | 1414.8 | 1419.8 | B |
| Open weights | No | No | Tie |
Benchmark comparison
ERNIE 4.5 wins 7, ERNIE 4.5 Turbo wins 5, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | ERNIE 4.5 | ERNIE 4.5 Turbo | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 83.7 | 84.0 | 0.3 | ERNIE 4.5 Turbo |
| GPQA Diamond | 77.2 | 73.0 | 4.2 | ERNIE 4.5 |
| SWE-bench Verified | 68.2 | 67.5 | 0.7 | ERNIE 4.5 |
| HumanEval | 83.9 | 86.4 | 2.5 | ERNIE 4.5 Turbo |
| MATH-500 | 81.3 | 86.4 | 5.1 | ERNIE 4.5 Turbo |
| AIME 2025 | 75.9 | 80.7 | 4.8 | ERNIE 4.5 Turbo |
| LiveCodeBench | 72.9 | 70.5 | 2.4 | ERNIE 4.5 |
| IFEval | 86.4 | 85.2 | 1.2 | ERNIE 4.5 |
| TruthfulQA | 83.0 | 82.5 | 0.5 | ERNIE 4.5 |
| HellaSwag | 89.2 | 87.0 | 2.2 | ERNIE 4.5 |
| MMMU | 78.0 | 73.7 | 4.3 | ERNIE 4.5 |
| Arena Elo | 1414.8 | 1419.8 | 5.0 | ERNIE 4.5 Turbo |
Price analysis
On a blended 3:1 input-to-output basis, ERNIE 4.5 costs about $24.23 per million tokens and ERNIE 4.5 Turbo costs about $23.90. ERNIE 4.5 Turbo is roughly 1% cheaper than ERNIE 4.5. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
ERNIE 4.5 Turbo has the larger context window at 128,000 tokens, compared with 65,536 for ERNIE 4.5. That matters for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, ERNIE 4.5 wins 7, ERNIE 4.5 Turbo wins 5, and 0 are tied. On the index average, ERNIE 4.5 leads ERNIE 4.5 Turbo by 0.3 points (80.0 versus 79.7).
The price picture favours ERNIE 4.5 Turbo. The context picture favours ERNIE 4.5 Turbo. 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 for quality-sensitive work and ERNIE 4.5 Turbo for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.
Choose ERNIE 4.5 if
- You want the higher average benchmark score in this index.
Choose ERNIE 4.5 Turbo if
- Unit cost matters and you want the cheaper blended price.
- You need the larger 128,000-token context window.
FAQ
Is ERNIE 4.5 better than ERNIE 4.5 Turbo?
On the index average, ERNIE 4.5 leads ERNIE 4.5 Turbo by 0.3 points (80.0 versus 79.7). The better choice depends on price, context and your task. ERNIE 4.5 wins 7 benchmarks, ERNIE 4.5 Turbo wins 5.
Which is cheaper, ERNIE 4.5 or ERNIE 4.5 Turbo?
ERNIE 4.5 Turbo is cheaper on a blended 3:1 basis at about $23.90 per million tokens, versus $24.23 for ERNIE 4.5.
Which has the larger context window?
ERNIE 4.5 Turbo has the larger context window at 128,000 tokens. ERNIE 4.5 has 65,536 tokens.
Are these models open weights?
ERNIE 4.5 is proprietary; ERNIE 4.5 Turbo is proprietary.
Which should I choose for production?
If you need a single default, start with ERNIE 4.5 for quality-sensitive work and ERNIE 4.5 Turbo for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.