Grok Build 0.1 is $0.25 cheaper per 1M input tokens (20% lower; 1.25x difference).
API cost decision in 10 seconds
Muse Spark 1.1 vs Grok Build 0.1
Pick Grok Build 0.1 for lower cost; pick Muse Spark 1.1 only if the larger context window matters more.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Grok Build 0.1 for lower cost; pick Muse Spark 1.1 only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Grok Build 0.1 is estimated at $2 vs $3.38 for Muse Spark 1.1, saving $1.38 (40.7% lower).
Cost-first pickGrok Build 0.1
Context-first pickMuse Spark 1.1
Sample savings$1.3840.7%
10x traffic gap$13.75
Muse Spark 1.1 has more context, but Grok Build 0.1 saves $1.38 on the standard workload. At 10x that traffic, the same price gap is about $13.75. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Grok Build 0.1 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Muse Spark 1.1 | Grok Build 0.1 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Grok Build 0.1 | $8.38 | $6 |
| Balanced workload | 1M input + 1M output | Grok Build 0.1 | $5.5 | $3 |
| Output-heavy chatbot | 1M input + 5M output | Grok Build 0.1 | $22.5 | $11 |
Grok Build 0.1 is $2.25 cheaper per 1M output tokens (52.9% lower; 2.12x difference).
Muse Spark 1.1 has 792.58K more context (4.1x larger).
Grok Build 0.1 is $1.38 cheaper on the standard workload (40.7% 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
Grok Build 0.1 has the lower input price; Grok Build 0.1 has the lower output price; Muse Spark 1.1 offers the larger context window. For the 1M input plus 500K output sample, Grok Build 0.1 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $3.38 for Muse Spark 1.1 and $2 for Grok Build 0.1.
Choose Muse Spark 1.1 when you care most about larger context window.
Choose Grok Build 0.1 when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Grok Build 0.1 is estimated at $2 vs $3.38 for Muse Spark 1.1, saving $1.38 (40.7% lower).
- Grok Build 0.1 is $1.38 cheaper on the standard workload (40.7% lower).
- Grok Build 0.1 is $0.25 cheaper per 1M input tokens (20% lower; 1.25x difference).
- Grok Build 0.1 is $2.25 cheaper per 1M output tokens (52.9% lower; 2.12x difference).
- Muse Spark 1.1 has 792.58K more context (4.1x larger).
| Feature | Muse Spark 1.1 (Meta) | Grok Build 0.1 (SpaceXAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $1.25 | $1 |
| Completion Price per 1M tokens | $4.25 | $2 |
| Sample Workload Cost 1M input + 500K output | $3.38 | $2 |
| Context Window | 1.05M | 256K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Grok Build 0.1 | On the standard 1M input plus 500K output workload, Grok Build 0.1 is estimated at $2 vs $3.38 for Muse Spark 1.1, saving $1.38 (40.7% lower). |
| High-volume input processing | Grok Build 0.1 | 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 | Muse Spark 1.1 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Llama 3.3 70B Instruct (free) can replace Muse Spark 1.1 when lower sample workload cost matters most: $0.
- Llama 3.2 3B Instruct (free) can replace Muse Spark 1.1 when lower sample workload cost matters most: $0.
- Llama 3.1 8B Instruct can replace Muse Spark 1.1 when lower sample workload cost matters most: $0.09.
- Llama 3.2 1B Instruct can replace Muse Spark 1.1 when lower sample workload cost matters most: $0.13.
- 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.
- DeepSeek V4 Flash 0731 · DeepSeek · #1
- MiMo-V2.5 · Xiaomi · #2
- Hy3 · Tencent · #3
- Ox Alpha · stealth · #4
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
Find models with larger context windows for RAG, long documents, and codebase review.
Open largest context modelsProvider catalogs
Compare models within provider hubs before choosing a final API vendor.
Open provider hubsMeta catalog
Review all tracked Meta models before deciding whether this matchup is the right shortlist.
Open Meta modelsSpaceXAI catalog
Check other SpaceXAI models with comparable pricing, context, or release timing.
Open SpaceXAI modelsMuse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. It accepts text, images, video, audio, and PDF documents and returns text, with a 1M-token context...
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...