Seed 2.1 Turbo
by Bytedance Seed · bytedance-seed/seed-2-1-turbo · #236 cheapest of 422 paid models
Prices updated Sep 19, 2026, 6:22 PM UTC · refreshed hourly
Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5GPT-5.6 Sol
Pricing
Input
$0.50
per 1M tokens
Output
$2.50
per 1M tokens
Blended (3:1)
$1.00
3 input : 1 output
Cache read
—
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for Seed 2.1 Turbo (no cache-read rate published — hits billed as normal input).
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $1.00 | $0.0535 | — |
| 50% | $1.00 | $0.0535 | −0% |
| 90% | $1.00 | $0.0535 | −0% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates (available for OpenAI / Anthropic / Google — not flagged for this creator). Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.001 | $1.00 |
| Document summary | 8,000 | 1,000 | $0.0065 | $6.50 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.02 | $20.00 |
| Long-context analysis | 150,000 | 5,000 | $0.0875 | $87.50 |
Specs
Context window
262K
tokens
Max output
236K
tokens
Input modalities
text, image, video
Tokenizer
Other