Head-to-head · multimodal vs multimodal

Doubao 1.5 Pro Max vs Gemini 3 Flash Vision: which model should you choose?

We compared Doubao 1.5 Pro Max and Gemini 3 Flash Vision on price, context window and 12 benchmarks. Gemini 3 Flash Vision has the stronger average benchmark score; Doubao 1.5 Pro 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
Google DeepMind

Gemini 3 Flash Vision

Gemini 3 Flash Vision is a multimodal model from Google DeepMind. It offers a 400,000-token context window, costs $15.06 per million input tokens and $82.14 per million output tokens, and averages 81.9 across the index's benchmark suite.

Input
$15.06 / 1M
Output
$82.14 / 1M
Context
400,000
Avg score
81.9
Open weights
No
Full Gemini 3 Flash Vision page

Specification comparison

SpecDoubao 1.5 Pro MaxGemini 3 Flash VisionEdge
Input price / 1M$14.93$15.06A
Output price / 1M$73.69$82.14A
Context window400,000400,000Tie
Max output4,09632,768B
Average score81.281.9B
Arena Elo1447.51430.3A
Open weightsNoNoTie

Benchmark comparison

Doubao 1.5 Pro Max wins 4, Gemini 3 Flash Vision wins 8, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.

BenchmarkDoubao 1.5 Pro MaxGemini 3 Flash VisionGapWinner
MMLU-Pro81.181.80.7Gemini 3 Flash Vision
GPQA Diamond76.175.70.4Doubao 1.5 Pro Max
SWE-bench Verified70.771.40.7Gemini 3 Flash Vision
HumanEval84.084.50.5Gemini 3 Flash Vision
MATH-50085.387.52.2Gemini 3 Flash Vision
AIME 202580.482.42.0Gemini 3 Flash Vision
LiveCodeBench73.573.20.3Doubao 1.5 Pro Max
IFEval90.286.93.3Doubao 1.5 Pro Max
TruthfulQA84.485.51.1Gemini 3 Flash Vision
HellaSwag87.891.53.7Gemini 3 Flash Vision
MMMU79.380.31.0Gemini 3 Flash Vision
Arena Elo1447.51430.317.2Doubao 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 Gemini 3 Flash Vision costs about $31.83. Doubao 1.5 Pro Max is roughly 7% cheaper than Gemini 3 Flash Vision. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.

Both models list a 400,000-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 Max wins 4, Gemini 3 Flash Vision wins 8, and 0 are tied. On the index average, Gemini 3 Flash Vision leads Doubao 1.5 Pro Max by 0.7 points (81.9 versus 81.2).

The price picture favours Doubao 1.5 Pro Max. 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 Gemini 3 Flash Vision for quality-sensitive work and Doubao 1.5 Pro 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

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

Choose Gemini 3 Flash Vision if

  • You want the higher average benchmark score in this index.
  • You need the larger 32,768-token output limit.

FAQ

Is Doubao 1.5 Pro Max better than Gemini 3 Flash Vision?

On the index average, Gemini 3 Flash Vision leads Doubao 1.5 Pro Max by 0.7 points (81.9 versus 81.2). The better choice depends on price, context and your task. Doubao 1.5 Pro Max wins 4 benchmarks, Gemini 3 Flash Vision wins 8.

Which is cheaper, Doubao 1.5 Pro Max or Gemini 3 Flash Vision?

Doubao 1.5 Pro Max is cheaper on a blended 3:1 basis at about $29.62 per million tokens, versus $31.83 for Gemini 3 Flash Vision.

Which has the larger context window?

Both models list a 400,000-token context window.

Are these models open weights?

Doubao 1.5 Pro Max is proprietary; Gemini 3 Flash Vision is proprietary.

Which should I choose for production?

If you need a single default, start with Gemini 3 Flash Vision for quality-sensitive work and Doubao 1.5 Pro 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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