Seed 2.1 Turbo is $0.5 cheaper per 1M input tokens (50% lower; 2x difference).
API cost decision in 10 seconds
NewSeed 2.1 Turbo vs Grok Build 0.1
Pick Seed 2.1 Turbo when budget and context both matter.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Seed 2.1 Turbo when budget and context both matter.
On the standard 1M input plus 500K output workload, Seed 2.1 Turbo is estimated at $1.75 vs $2 for Grok Build 0.1, saving $0.25 (12.5% lower).
Cost-first pickSeed 2.1 Turbo
Context-first pickSeed 2.1 Turbo
Sample savings$0.2512.5%
10x traffic gap$2.5
Seed 2.1 Turbo is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $2.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Cost winner changes by workload shape: input-heavy / RAG favors Seed 2.1 Turbo, balanced workload favors Tie, and output-heavy chatbot favors Grok Build 0.1.
| Workload shape | Token mix | Better pick | Seed 2.1 Turbo | Grok Build 0.1 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Seed 2.1 Turbo | $3.75 | $6 |
| Balanced workload | 1M input + 1M output | Tie | $3 | $3 |
| Output-heavy chatbot | 1M input + 5M output | Grok Build 0.1 | $13 | $11 |
Grok Build 0.1 is $0.5 cheaper per 1M output tokens (20% lower; 1.25x difference).
Seed 2.1 Turbo has 6.14K more context (1.02x larger).
Seed 2.1 Turbo is $0.25 cheaper on the standard workload (12.5% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
Seed 2.1 Turbo has the lower input price; Grok Build 0.1 has the lower output price; Seed 2.1 Turbo offers the larger context window. For the 1M input plus 500K output sample, Seed 2.1 Turbo is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $1.75 for Seed 2.1 Turbo and $2 for Grok Build 0.1.
Choose Seed 2.1 Turbo when you care most about lower input-token price, and larger context window.
Choose Grok Build 0.1 when you care most about lower output-token price.
- On the standard 1M input plus 500K output workload, Seed 2.1 Turbo is estimated at $1.75 vs $2 for Grok Build 0.1, saving $0.25 (12.5% lower).
- Seed 2.1 Turbo is $0.25 cheaper on the standard workload (12.5% lower).
- Seed 2.1 Turbo is $0.5 cheaper per 1M input tokens (50% lower; 2x difference).
- Grok Build 0.1 is $0.5 cheaper per 1M output tokens (20% lower; 1.25x difference).
- Seed 2.1 Turbo has 6.14K more context (1.02x larger).
| Feature | NewSeed 2.1 Turbo (ByteDance Seed) | Grok Build 0.1 (SpaceXAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.5 | $1 |
| Completion Price per 1M tokens | $2.5 | $2 |
| Sample Workload Cost 1M input + 500K output | $1.75 | $2 |
| Context Window | 262.14K | 256K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Seed 2.1 Turbo | On the standard 1M input plus 500K output workload, Seed 2.1 Turbo is estimated at $1.75 vs $2 for Grok Build 0.1, saving $0.25 (12.5% lower). |
| High-volume input processing | Seed 2.1 Turbo | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Grok Build 0.1 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Seed 2.1 Turbo | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Seed 1.6 Flash can replace Seed 2.1 Turbo when lower sample workload cost matters most: $0.22.
- Seed-2.0-Mini can replace Seed 2.1 Turbo when lower sample workload cost matters most: $0.3.
- Seed-2.0-Lite can replace Seed 2.1 Turbo when lower sample workload cost matters most: $1.25.
- Seed 1.6 can replace Seed 2.1 Turbo when lower sample workload cost matters most: $1.25.
- Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
- DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
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- MiMo-V2.5 · Xiaomi · #2
- Hy3 · Tencent · #3
- Ox Alpha · stealth · #4
Cheaper alternatives
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Open SpaceXAI modelsSeed 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...
Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...