Head-to-head · multimodal vs multimodal

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

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

ByteDance

Doubao 1.5 Pro Turbo

Doubao 1.5 Pro Turbo is a multimodal model from ByteDance. It offers a 128,000-token context window, costs $13.81 per million input tokens and $71.10 per million output tokens, and averages 79.4 across the index's benchmark suite.

Input
$13.81 / 1M
Output
$71.10 / 1M
Context
128,000
Avg score
79.4
Open weights
No
Full Doubao 1.5 Pro Turbo page
Perplexity

Sonar Pro Turbo

Sonar Pro Turbo is a multimodal model from Perplexity. It offers a 128,000-token context window, costs $13.55 per million input tokens and $57.97 per million output tokens, and averages 79.0 across the index's benchmark suite.

Input
$13.55 / 1M
Output
$57.97 / 1M
Context
128,000
Avg score
79.0
Open weights
No
Full Sonar Pro Turbo page

Specification comparison

SpecDoubao 1.5 Pro TurboSonar Pro TurboEdge
Input price / 1M$13.81$13.55B
Output price / 1M$71.10$57.97B
Context window128,000128,000Tie
Max output65,5364,096A
Average score79.479.0A
Arena Elo1433.01434.8B
Open weightsNoNoTie

Benchmark comparison

Doubao 1.5 Pro Turbo wins 6, Sonar Pro Turbo wins 6, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.

BenchmarkDoubao 1.5 Pro TurboSonar Pro TurboGapWinner
MMLU-Pro80.381.61.3Sonar Pro Turbo
GPQA Diamond75.474.21.2Doubao 1.5 Pro Turbo
SWE-bench Verified67.766.31.4Doubao 1.5 Pro Turbo
HumanEval85.084.70.3Doubao 1.5 Pro Turbo
MATH-50081.484.12.7Sonar Pro Turbo
AIME 202575.673.91.7Doubao 1.5 Pro Turbo
LiveCodeBench72.373.71.4Sonar Pro Turbo
IFEval88.984.94.0Doubao 1.5 Pro Turbo
TruthfulQA80.981.20.3Sonar Pro Turbo
HellaSwag88.289.31.1Sonar Pro Turbo
MMMU77.675.22.4Doubao 1.5 Pro Turbo
Arena Elo1433.01434.81.8Sonar Pro Turbo

Price analysis

On a blended 3:1 input-to-output basis, Doubao 1.5 Pro Turbo costs about $28.13 per million tokens and Sonar Pro Turbo costs about $24.66. Sonar Pro Turbo is roughly 12% cheaper than Doubao 1.5 Pro Turbo. 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 Turbo wins 6, Sonar Pro Turbo wins 6, and 0 are tied. On the index average, Doubao 1.5 Pro Turbo leads Sonar Pro Turbo by 0.4 points (79.4 versus 79.0).

The price picture favours Sonar Pro Turbo. 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 Doubao 1.5 Pro Turbo for quality-sensitive work and Sonar Pro Turbo 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 Turbo if

  • You want the higher average benchmark score in this index.
  • You need the larger 65,536-token output limit.

Choose Sonar Pro Turbo if

  • Unit cost matters and you want the cheaper blended price.

FAQ

Is Doubao 1.5 Pro Turbo better than Sonar Pro Turbo?

On the index average, Doubao 1.5 Pro Turbo leads Sonar Pro Turbo by 0.4 points (79.4 versus 79.0). The better choice depends on price, context and your task. Doubao 1.5 Pro Turbo wins 6 benchmarks, Sonar Pro Turbo wins 6.

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

Sonar Pro Turbo is cheaper on a blended 3:1 basis at about $24.66 per million tokens, versus $28.13 for Doubao 1.5 Pro Turbo.

Which has the larger context window?

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

Are these models open weights?

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

Which should I choose for production?

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

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