Author's Description
Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
ByteDance Seed 1.6, a general-purpose multimodal model with a 256K context window, demonstrates exceptional reliability with a 100% success rate across all benchmarks, indicating minimal technical failures. However, its speed ranking suggests it tends to have longer response times, placing it in the 18th percentile. In terms of cost, Seed 1.6 offers moderate pricing, ranking in the 27th percentile. The model exhibits remarkable accuracy in specific areas. It achieved perfect scores in both Hallucinations (100.0% accuracy) and Reasoning (100.0% accuracy), notably being the most accurate model at its price point and speed for these categories. It also shows strong performance in Mathematics (96.0% accuracy, 94th percentile) and Coding (94.0% accuracy, 88th percentile), indicating robust analytical and problem-solving capabilities. Instruction Following is also a strength, with 82.0% accuracy (90th percentile). While its General Knowledge (99.5% accuracy, 71st percentile) and Email Classification (98.0% accuracy, 58th percentile) are solid, its Ethics performance (99.0% accuracy, 50th percentile) is more average compared to its other high-performing areas. The primary weakness lies in its speed, which is consistently below average across benchmarks.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $0.25 |
| Completion | $2 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
Seed
|
Seed | bytedance-seed/seed-1.6-20250625 | 262K | $0.25 / 1M tokens | $2 / 1M tokens |
|
Seed
|
Seed | bytedance-seed/seed-1.6-20250625 | 262K | $0.25 / 1M tokens | $2 / 1M tokens |
Benchmark Results
| Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
|---|
Other Models by bytedance-seed
|
|
Released | Params | Context |
|
Speed | Ability | Cost |
|---|---|---|---|---|---|---|---|
| ByteDance Seed: Seed-2.0-Lite Unavailable | Mar 10, 2026 | — | 262K |
Text input
Image input
Video input
Text output
|
★★ | ★★★★ | $$$$$ |
| ByteDance Seed: Seed-2.0-Lite | Mar 10, 2026 | — | 262K |
Text input
Image input
Video input
Text output
|
★ | ★★★★★ | $$$$$ |
| ByteDance Seed: Seed-2.0-Mini Unavailable | Feb 26, 2026 | — | 262K |
Text input
Image input
Video input
Text output
|
★ | ★★★ | $$$$ |
| ByteDance Seed: Seed-2.0-Mini | Feb 26, 2026 | — | 262K |
Text input
Image input
Video input
Text output
|
★ | ★★★ | $$$$ |
| ByteDance Seed: Seed 1.6 Flash | Dec 23, 2025 | — | 262K |
Text input
Image input
Video input
Text output
|
★★★ | ★★★★ | $$$ |