Doubao 1.5 Pro 256K
Doubao 1.5 Pro 256K is a released long context model with 256k context; evaluate it while provider pricing coverage matures.
Use it for
- Teams evaluating long context
- Workloads that can use a 256k context window
Do not use it for
- Cost-sensitive launches that need sourced token pricing
- Vision or document-understanding workloads
- Strict JSON or tool-calling flows
- Family
- Doubao 1.5
- Released
- 2025-01-22
- Context
- 256k
- Parameters
- 256B
- Architecture
- Decoder Only
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
- Training
- Fine-tuned
No tracked provider token pricing is available yet.
About
Doubao 1.5 Pro 256K is the long-context variant of ByteDance's Doubao 1.5 Pro model, released January 22, 2025. Supports up to 256,000 token context windows using the same sparse MoE architecture as the 32K variant.
Doubao 1.5 Pro 256K is a proprietary model in the Doubao 1.5 family. The structured metadata tracks a 256k-token context window. No headline benchmark score is tracked for Doubao 1.5 Pro 256K yet.
Top use-case fit
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
No tracked provider token pricing is available for this model yet.
Capabilities
No model capability flags are currently sourced.
Benchmark peer barsfor Long context
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Frequently asked questions
What is the context window of Doubao 1.5 Pro 256K?
Doubao 1.5 Pro 256K has a context window of 256k tokens.
When was Doubao 1.5 Pro 256K released?
Doubao 1.5 Pro 256K was released on 2025-01-22.