ERNIE 4.5 Turbo vs GLM-4.6 Chat: which model should you choose?
We compared ERNIE 4.5 Turbo and GLM-4.6 Chat on price, context window and 12 benchmarks. GLM-4.6 Chat has the stronger average benchmark score; GLM-4.6 Chat is cheaper on a blended 3:1 basis.
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
GLM-4.6 Chat
GLM-4.6 Chat is a multimodal model from Zhipu AI. It offers a 400,000-token context window, costs $4.89 per million input tokens and $21.46 per million output tokens, and averages 79.8 across the index's benchmark suite.
- Input
- $4.89 / 1M
- Output
- $21.46 / 1M
- Context
- 400,000
- Avg score
- 79.8
- Open weights
- Yes
Specification comparison
| Spec | ERNIE 4.5 Turbo | GLM-4.6 Chat | Edge |
|---|---|---|---|
| Input price / 1M | $13.75 | $4.89 | B |
| Output price / 1M | $54.36 | $21.46 | B |
| Context window | 128,000 | 400,000 | B |
| Max output | 32,768 | 16,384 | A |
| Average score | 79.7 | 79.8 | B |
| Arena Elo | 1419.8 | 1437.7 | B |
| Open weights | No | Yes | B |
Benchmark comparison
ERNIE 4.5 Turbo wins 7, GLM-4.6 Chat wins 5, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | ERNIE 4.5 Turbo | GLM-4.6 Chat | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 84.0 | 82.2 | 1.8 | ERNIE 4.5 Turbo |
| GPQA Diamond | 73.0 | 72.8 | 0.2 | ERNIE 4.5 Turbo |
| SWE-bench Verified | 67.5 | 66.0 | 1.5 | ERNIE 4.5 Turbo |
| HumanEval | 86.4 | 86.3 | 0.1 | ERNIE 4.5 Turbo |
| MATH-500 | 86.4 | 86.8 | 0.4 | GLM-4.6 Chat |
| AIME 2025 | 80.7 | 79.2 | 1.5 | ERNIE 4.5 Turbo |
| LiveCodeBench | 70.5 | 69.6 | 0.9 | ERNIE 4.5 Turbo |
| IFEval | 85.2 | 87.8 | 2.6 | GLM-4.6 Chat |
| TruthfulQA | 82.5 | 83.2 | 0.7 | GLM-4.6 Chat |
| HellaSwag | 87.0 | 89.9 | 2.9 | GLM-4.6 Chat |
| MMMU | 73.7 | 73.5 | 0.2 | ERNIE 4.5 Turbo |
| Arena Elo | 1419.8 | 1437.7 | 17.9 | GLM-4.6 Chat |
Price analysis
On a blended 3:1 input-to-output basis, ERNIE 4.5 Turbo costs about $23.90 per million tokens and GLM-4.6 Chat costs about $9.03. GLM-4.6 Chat is roughly 62% cheaper than ERNIE 4.5 Turbo. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
GLM-4.6 Chat has the larger context window at 400,000 tokens, compared with 128,000 for ERNIE 4.5 Turbo. That matters for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, ERNIE 4.5 Turbo wins 7, GLM-4.6 Chat wins 5, and 0 are tied. On the index average, GLM-4.6 Chat leads ERNIE 4.5 Turbo by 0.1 points (79.8 versus 79.7).
The price picture favours GLM-4.6 Chat. The context picture favours GLM-4.6 Chat. 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 GLM-4.6 Chat for quality-sensitive work, and check whether its price holds at your expected volume before committing.
Choose ERNIE 4.5 Turbo if
- You need the larger 32,768-token output limit.
Choose GLM-4.6 Chat if
- You want the higher average benchmark score in this index.
- Unit cost matters and you want the cheaper blended price.
- You need the larger 400,000-token context window.
- You need open weights for self-hosting or fine-tuning.
FAQ
Is ERNIE 4.5 Turbo better than GLM-4.6 Chat?
On the index average, GLM-4.6 Chat leads ERNIE 4.5 Turbo by 0.1 points (79.8 versus 79.7). The better choice depends on price, context and your task. ERNIE 4.5 Turbo wins 7 benchmarks, GLM-4.6 Chat wins 5.
Which is cheaper, ERNIE 4.5 Turbo or GLM-4.6 Chat?
GLM-4.6 Chat is cheaper on a blended 3:1 basis at about $9.03 per million tokens, versus $23.90 for ERNIE 4.5 Turbo.
Which has the larger context window?
GLM-4.6 Chat has the larger context window at 400,000 tokens. ERNIE 4.5 Turbo has 128,000 tokens.
Are these models open weights?
ERNIE 4.5 Turbo is proprietary; GLM-4.6 Chat is open weights.
Which should I choose for production?
If you need a single default, start with GLM-4.6 Chat for quality-sensitive work, and check whether its price holds at your expected volume before committing.