Head-to-head · multimodal vs multimodal

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

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

ByteDance

Doubao 1.5 Pro Pro

Doubao 1.5 Pro Pro is a multimodal model from ByteDance. It offers a 128,000-token context window, costs $14.10 per million input tokens and $54.74 per million output tokens, and averages 80.2 across the index's benchmark suite.

Input
$14.10 / 1M
Output
$54.74 / 1M
Context
128,000
Avg score
80.2
Open weights
No
Full Doubao 1.5 Pro Pro page
Perplexity

Sonar Pro Max

Sonar Pro Max is a multimodal model from Perplexity. It offers a 128,000-token context window, costs $14.01 per million input tokens and $69.33 per million output tokens, and averages 81.1 across the index's benchmark suite.

Input
$14.01 / 1M
Output
$69.33 / 1M
Context
128,000
Avg score
81.1
Open weights
No
Full Sonar Pro Max page

Specification comparison

SpecDoubao 1.5 Pro ProSonar Pro MaxEdge
Input price / 1M$14.10$14.01B
Output price / 1M$54.74$69.33A
Context window128,000128,000Tie
Max output8,1924,096A
Average score80.281.1B
Arena Elo1443.41437.8A
Open weightsNoNoTie

Benchmark comparison

Doubao 1.5 Pro Pro wins 4, Sonar Pro Max wins 8, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.

BenchmarkDoubao 1.5 Pro ProSonar Pro MaxGapWinner
MMLU-Pro80.283.73.5Sonar Pro Max
GPQA Diamond74.578.84.3Sonar Pro Max
SWE-bench Verified71.271.70.5Sonar Pro Max
HumanEval84.485.10.7Sonar Pro Max
MATH-50085.486.20.8Sonar Pro Max
AIME 202577.774.92.8Doubao 1.5 Pro Pro
LiveCodeBench71.675.74.1Sonar Pro Max
IFEval87.888.30.5Sonar Pro Max
TruthfulQA84.682.02.6Doubao 1.5 Pro Pro
HellaSwag87.288.00.8Sonar Pro Max
MMMU78.177.20.9Doubao 1.5 Pro Pro
Arena Elo1443.41437.85.6Doubao 1.5 Pro Pro

Price analysis

On a blended 3:1 input-to-output basis, Doubao 1.5 Pro Pro costs about $24.26 per million tokens and Sonar Pro Max costs about $27.84. Doubao 1.5 Pro Pro is roughly 13% cheaper than Sonar Pro Max. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.

Both models list a 128,000-token context window. That is enough for long documents, large codebases and multi-step agent traces.

Verdict

Across 12 shared benchmarks, Doubao 1.5 Pro Pro wins 4, Sonar Pro Max wins 8, and 0 are tied. On the index average, Sonar Pro Max leads Doubao 1.5 Pro Pro by 0.9 points (81.1 versus 80.2).

The price picture favours Doubao 1.5 Pro Pro. The context picture is effectively a tie. 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 Sonar Pro Max for quality-sensitive work and Doubao 1.5 Pro 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 Pro if

  • Unit cost matters and you want the cheaper blended price.
  • You need the larger 8,192-token output limit.

Choose Sonar Pro Max if

  • You want the higher average benchmark score in this index.

FAQ

Is Doubao 1.5 Pro Pro better than Sonar Pro Max?

On the index average, Sonar Pro Max leads Doubao 1.5 Pro Pro by 0.9 points (81.1 versus 80.2). The better choice depends on price, context and your task. Doubao 1.5 Pro Pro wins 4 benchmarks, Sonar Pro Max wins 8.

Which is cheaper, Doubao 1.5 Pro Pro or Sonar Pro Max?

Doubao 1.5 Pro Pro is cheaper on a blended 3:1 basis at about $24.26 per million tokens, versus $27.84 for Sonar Pro Max.

Which has the larger context window?

Both models list a 128,000-token context window.

Are these models open weights?

Doubao 1.5 Pro Pro is proprietary; Sonar Pro Max is proprietary.

Which should I choose for production?

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

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