Head-to-head · multimodal vs multimodal

Doubao 1.5 Pro Max vs ERNIE 4.5 Max: which model should you choose?

We compared Doubao 1.5 Pro Max and ERNIE 4.5 Max on price, context window and 12 benchmarks. Doubao 1.5 Pro Max has the stronger average benchmark score; ERNIE 4.5 Max is cheaper on a blended 3:1 basis.

ByteDance

Doubao 1.5 Pro Max

Doubao 1.5 Pro Max is a multimodal model from ByteDance. It offers a 400,000-token context window, costs $14.93 per million input tokens and $73.69 per million output tokens, and averages 81.2 across the index's benchmark suite.

Input
$14.93 / 1M
Output
$73.69 / 1M
Context
400,000
Avg score
81.2
Open weights
No
Full Doubao 1.5 Pro Max page
Baidu

ERNIE 4.5 Max

ERNIE 4.5 Max is a multimodal model from Baidu. It offers a 128,000-token context window, costs $14.41 per million input tokens and $53.71 per million output tokens, and averages 80.6 across the index's benchmark suite.

Input
$14.41 / 1M
Output
$53.71 / 1M
Context
128,000
Avg score
80.6
Open weights
No
Full ERNIE 4.5 Max page

Specification comparison

SpecDoubao 1.5 Pro MaxERNIE 4.5 MaxEdge
Input price / 1M$14.93$14.41B
Output price / 1M$73.69$53.71B
Context window400,000128,000A
Max output4,09665,536B
Average score81.280.6A
Arena Elo1447.51423.7A
Open weightsNoNoTie

Benchmark comparison

Doubao 1.5 Pro Max wins 10, ERNIE 4.5 Max wins 2, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.

BenchmarkDoubao 1.5 Pro MaxERNIE 4.5 MaxGapWinner
MMLU-Pro81.180.80.3Doubao 1.5 Pro Max
GPQA Diamond76.176.40.3ERNIE 4.5 Max
SWE-bench Verified70.768.91.8Doubao 1.5 Pro Max
HumanEval84.087.73.7ERNIE 4.5 Max
MATH-50085.384.21.1Doubao 1.5 Pro Max
AIME 202580.479.50.9Doubao 1.5 Pro Max
LiveCodeBench73.573.00.5Doubao 1.5 Pro Max
IFEval90.287.13.1Doubao 1.5 Pro Max
TruthfulQA84.483.60.8Doubao 1.5 Pro Max
HellaSwag87.887.70.1Doubao 1.5 Pro Max
MMMU79.378.11.2Doubao 1.5 Pro Max
Arena Elo1447.51423.723.8Doubao 1.5 Pro Max

Price analysis

On a blended 3:1 input-to-output basis, Doubao 1.5 Pro Max costs about $29.62 per million tokens and ERNIE 4.5 Max costs about $24.23. ERNIE 4.5 Max is roughly 18% cheaper than Doubao 1.5 Pro Max. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.

Doubao 1.5 Pro Max has the larger context window at 400,000 tokens, compared with 128,000 for ERNIE 4.5 Max. That matters for long documents, large codebases and multi-step agent traces.

Verdict

Across 12 shared benchmarks, Doubao 1.5 Pro Max wins 10, ERNIE 4.5 Max wins 2, and 0 are tied. On the index average, Doubao 1.5 Pro Max leads ERNIE 4.5 Max by 0.6 points (81.2 versus 80.6).

The price picture favours ERNIE 4.5 Max. The context picture favours Doubao 1.5 Pro Max. 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 Doubao 1.5 Pro Max for quality-sensitive work and ERNIE 4.5 Max 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 Max if

  • You want the higher average benchmark score in this index.
  • You need the larger 400,000-token context window.

Choose ERNIE 4.5 Max if

  • Unit cost matters and you want the cheaper blended price.
  • You need the larger 65,536-token output limit.

FAQ

Is Doubao 1.5 Pro Max better than ERNIE 4.5 Max?

On the index average, Doubao 1.5 Pro Max leads ERNIE 4.5 Max by 0.6 points (81.2 versus 80.6). The better choice depends on price, context and your task. Doubao 1.5 Pro Max wins 10 benchmarks, ERNIE 4.5 Max wins 2.

Which is cheaper, Doubao 1.5 Pro Max or ERNIE 4.5 Max?

ERNIE 4.5 Max is cheaper on a blended 3:1 basis at about $24.23 per million tokens, versus $29.62 for Doubao 1.5 Pro Max.

Which has the larger context window?

Doubao 1.5 Pro Max has the larger context window at 400,000 tokens. ERNIE 4.5 Max has 128,000 tokens.

Are these models open weights?

Doubao 1.5 Pro Max is proprietary; ERNIE 4.5 Max is proprietary.

Which should I choose for production?

If you need a single default, start with Doubao 1.5 Pro Max for quality-sensitive work and ERNIE 4.5 Max for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.

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