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...
Model details →ByteDance Seed: Seed 2.1 Turbo vs OpenAI: o4 Mini Deep Research
ByteDance Seed: Seed 2.1 Turbo wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
o4-mini-deep-research is OpenAI's faster, more affordable deep research model—ideal for tackling complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds additional cost.
Model details →Side-by-side comparison
| Capability | ByteDance Seed: Seed 2.1 Turbo | OpenAI: o4 Mini Deep Research | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 200K | 🏆 ByteDance Seed: Seed 2.1 Turbo |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.50 | $2.00 | 🏆 ByteDance Seed: Seed 2.1 Turbo |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.50 | $8.00 | 🏆 ByteDance Seed: Seed 2.1 Turbo |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is ByteDance Seed: Seed 2.1 Turbo better than OpenAI: o4 Mini Deep Research?
ByteDance Seed: Seed 2.1 Turbo wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between ByteDance Seed: Seed 2.1 Turbo and OpenAI: o4 Mini Deep Research?
Input: $0.50 vs $2.00 per 1M tokens. Output: $2.50 vs $8.00 per 1M tokens.
What context windows do ByteDance Seed: Seed 2.1 Turbo and OpenAI: o4 Mini Deep Research support?
ByteDance Seed: Seed 2.1 Turbo supports up to 262K tokens. OpenAI: o4 Mini Deep Research supports up to 200K tokens.
Do both ByteDance Seed: Seed 2.1 Turbo and OpenAI: o4 Mini Deep Research support tool calling?
ByteDance Seed: Seed 2.1 Turbo: yes. OpenAI: o4 Mini Deep Research: yes.