doubao · Balanced
Doubao 1.5 Pro 256k
Doubao's (Bytedance) flagship model with a 256k token context window. ⚠️ Note: This model routes through ByteDance, a Chinese entity - privacy and logging guarantees may be limited.
- Input
- Text
- Output
- Text
- Discovery tier
- Balanced
Pricing
USD per 1M tokens- Input
- $0.80
- Output
- $1.45
Reference prices as published by the model provider. API example
Specifications
- Context window
- 256K
- Max output
- 16.4K
Side by side
Doubao 1.5 Pro 256k compared
Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.
| Doubao 1.5 Pro 256kdoubaoThis model | Doubao Seed 2.1 ProdoubaoRemove | |
|---|---|---|
| Provider | doubao | doubao |
| Discovery tier | Balanced | Balanced |
| Added | Mar 12, 2025 | Jun 23, 2026 |
| Limits | ||
| Context window | 256K | 256K |
| Max output | 16.38K | 128KBest |
| Average output | — | 2.7K tokens |
| Pricing, USD per 1M tokens | ||
| Input | $0.80Best | $1.00 |
| Output | $1.45Best | $5.00 |
| Capabilities | ||
| Reasoning effort | — | — |
Public evaluations
Benchmarks
There are no public benchmark results for these models yet.
Developers
Use it through the API
Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.
curl https://www.noumen.xyz/api/v1/chat/completions \
-H "Authorization: Bearer $NOUMEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "doubao-1.5-pro-256k",
"messages": [{ "role": "user", "content": "Explain this stack trace." }]
}'import os
from openai import OpenAI
client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
model="doubao-1.5-pro-256k",
messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)doubao
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