Seed 2.1 Pro Pricing, Benchmarks & Channels

Seed 2.1 Pro is a 2026-06-23 model from ByteDance Seed (Doubao) featuring a 256K context window and extended reasoning capabilities. Lowest rate on Volcengine Ark (CN) ($0.8906 in / $4.453 out per 1M tokens).

⚖️ Compare in Radar Workbench 🧮 Monthly Cost Simulator
Input Price / 1M
$0.8906
Output Price / 1M
$4.45301
Cache Read / 1M
$0.17812
Context Window
256K
Generation Speed
112 TPS
Access Grade
A · CN Direct

F.A.R.E. Four-Dimension Score Breakdown

A · Accurate (Capability) 72 (Tier Est.) F · Fast (Speed & Latency) 112 Token/s · TTFT 420ms R · Reliable (Stability & Access) Grade A · CN Domestic / CN Direct E · Economical (Cost) $0.8906 in · $4.45301 out
Scenario Capability Breakdown (0–100):
💻 Coding
71/100
✍️ Writing
71/100
📚 Long-Doc RAG
76/100
👁️ Vision OCR
74/100
F.A.R.E. CAPABILITY RADAR
A · Accurate F · Fast E · Economical R · Reachable

Seed 2.1 Pro Multi-Platform Price Comparison (1 Verified Channels)

All prices are in USD per 1M tokens. Domestic developers can prioritize channels marked "Direct in CN" for compliant access and local billing.

Platform / Gateway Network Access Input ($/1M) Output ($/1M) Cache Hit ($/1M) Billing & Notes Link
Volcengine Ark (CN) Lowest Price Direct in CN $0.8906 $4.453 $0.1781 Direct CN access · RMB billing Visit Official →

✅ Core Strengths & Ideal Workloads

  • Direct access in mainland China with RMB enterprise billing
  • Supports 256K context window and prompt caching ($0.17812/M read)

⚠️ Limitations & Practical Caveats

  • Hosted on ByteDance Volcengine Ark with massive concurrency limits and aggressive token pricing.
  • Extended thinking generates internal reasoning tokens (~1.8x output multiplier)