Claude Haiku 4.5 Turbo vs ERNIE 4.5 Reasoning: which model should you choose?
We compared Claude Haiku 4.5 Turbo and ERNIE 4.5 Reasoning on price, context window and 12 benchmarks. Claude Haiku 4.5 Turbo has the stronger average benchmark score; Claude Haiku 4.5 Turbo is cheaper on a blended 3:1 basis.
Claude Haiku 4.5 Turbo
Claude Haiku 4.5 Turbo is a multimodal model from Anthropic. It offers a 200,000-token context window, costs $14.37 per million input tokens and $54.76 per million output tokens, and averages 80.0 across the index's benchmark suite.
- Input
- $14.37 / 1M
- Output
- $54.76 / 1M
- Context
- 200,000
- Avg score
- 80.0
- Open weights
- No
ERNIE 4.5 Reasoning
ERNIE 4.5 Reasoning is a multimodal model from Baidu. It offers a 1,000,000-token context window, costs $14.36 per million input tokens and $78.75 per million output tokens, and averages 79.8 across the index's benchmark suite.
- Input
- $14.36 / 1M
- Output
- $78.75 / 1M
- Context
- 1,000,000
- Avg score
- 79.8
- Open weights
- No
Specification comparison
| Spec | Claude Haiku 4.5 Turbo | ERNIE 4.5 Reasoning | Edge |
|---|---|---|---|
| Input price / 1M | $14.37 | $14.36 | B |
| Output price / 1M | $54.76 | $78.75 | A |
| Context window | 200,000 | 1,000,000 | B |
| Max output | 32,768 | 8,192 | A |
| Average score | 80.0 | 79.8 | A |
| Arena Elo | 1434.5 | 1421.5 | A |
| Open weights | No | No | Tie |
Benchmark comparison
Claude Haiku 4.5 Turbo wins 6, ERNIE 4.5 Reasoning wins 5, and 1 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | Claude Haiku 4.5 Turbo | ERNIE 4.5 Reasoning | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 80.6 | 80.6 | 0.0 | Tie |
| GPQA Diamond | 75.1 | 75.7 | 0.6 | ERNIE 4.5 Reasoning |
| SWE-bench Verified | 68.4 | 69.8 | 1.4 | ERNIE 4.5 Reasoning |
| HumanEval | 87.0 | 85.0 | 2.0 | Claude Haiku 4.5 Turbo |
| MATH-500 | 83.7 | 82.5 | 1.2 | Claude Haiku 4.5 Turbo |
| AIME 2025 | 79.2 | 78.1 | 1.1 | Claude Haiku 4.5 Turbo |
| LiveCodeBench | 71.7 | 71.9 | 0.2 | ERNIE 4.5 Reasoning |
| IFEval | 87.1 | 88.7 | 1.6 | ERNIE 4.5 Reasoning |
| TruthfulQA | 81.0 | 82.9 | 1.9 | ERNIE 4.5 Reasoning |
| HellaSwag | 88.1 | 88.0 | 0.1 | Claude Haiku 4.5 Turbo |
| MMMU | 77.7 | 74.4 | 3.3 | Claude Haiku 4.5 Turbo |
| Arena Elo | 1434.5 | 1421.5 | 13.0 | Claude Haiku 4.5 Turbo |
Price analysis
On a blended 3:1 input-to-output basis, Claude Haiku 4.5 Turbo costs about $24.47 per million tokens and ERNIE 4.5 Reasoning costs about $30.46. Claude Haiku 4.5 Turbo is roughly 20% cheaper than ERNIE 4.5 Reasoning. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
ERNIE 4.5 Reasoning has the larger context window at 1,000,000 tokens, compared with 200,000 for Claude Haiku 4.5 Turbo. That matters for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, Claude Haiku 4.5 Turbo wins 6, ERNIE 4.5 Reasoning wins 5, and 1 are tied. On the index average, Claude Haiku 4.5 Turbo leads ERNIE 4.5 Reasoning by 0.2 points (80.0 versus 79.8).
The price picture favours Claude Haiku 4.5 Turbo. The context picture favours ERNIE 4.5 Reasoning. 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 Claude Haiku 4.5 Turbo for quality-sensitive work, and check whether its price holds at your expected volume before committing.
Choose Claude Haiku 4.5 Turbo 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 32,768-token output limit.
Choose ERNIE 4.5 Reasoning if
- You need the larger 1,000,000-token context window.
- The workload needs multi-step reasoning.
FAQ
Is Claude Haiku 4.5 Turbo better than ERNIE 4.5 Reasoning?
On the index average, Claude Haiku 4.5 Turbo leads ERNIE 4.5 Reasoning by 0.2 points (80.0 versus 79.8). The better choice depends on price, context and your task. Claude Haiku 4.5 Turbo wins 6 benchmarks, ERNIE 4.5 Reasoning wins 5.
Which is cheaper, Claude Haiku 4.5 Turbo or ERNIE 4.5 Reasoning?
Claude Haiku 4.5 Turbo is cheaper on a blended 3:1 basis at about $24.47 per million tokens, versus $30.46 for ERNIE 4.5 Reasoning.
Which has the larger context window?
ERNIE 4.5 Reasoning has the larger context window at 1,000,000 tokens. Claude Haiku 4.5 Turbo has 200,000 tokens.
Are these models open weights?
Claude Haiku 4.5 Turbo is proprietary; ERNIE 4.5 Reasoning is proprietary.
Which should I choose for production?
If you need a single default, start with Claude Haiku 4.5 Turbo for quality-sensitive work, and check whether its price holds at your expected volume before committing.