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Doubao 1.5 Thinking Pro

Provider: Bytedance Updated: 2026-09-01

Doubao 1.5 Thinking Pro is an reasoning model model from Bytedance, designed for reasoning, planning, and complex problem solving.

Reasoning Model English

Pricing

Input 4 CNY / 1M tokens
Output 16 CNY / 1M tokens
Text to Image -
Image to Image -
Text to Video -
Image to Video -

Capabilities

Input Types Text
Output Types Text
Function Calling Supported
Session Cache Not supported
Fine-Tuning Supported
Prefix Cache Not supported
Structured Output Supported
Image Understanding Not supported
Text Generation Supported
Text to Image -
Image to Image -
Text to Video -
Image to Video -
Open Source Status -

Parameters

Last Updated 2026-09-01
Context Length 128K
Max Input Tokens 96K
Max Output Tokens 16K
Max Thought Tokens 32K
TPM 5000K
RPM 30K
Parameter Count -
Modalities Multimodal
Language Support English
Best For Reasoning, planning, and complex problem solving
Resolution -
Video Duration -
Frame Rate -

Benchmarks

These benchmark scores summarize how the model performs across different tasks and evaluation sets.

AIME

Measures performance on difficult competition-level mathematics problems.

86.7
GPQA

Evaluates graduate-level science knowledge and reasoning ability.

77.3