Grok Build 0.1 is $0.25 cheaper per 1M input tokens (20% lower; 1.25x difference).
API cost decision in 10 seconds
NewGrok 4.3 vs NewGrok Build 0.1
Pick Grok Build 0.1 for lower cost; pick Grok 4.3 only if the larger context window matters more.
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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 Grok 4.3 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 $2.5 for Grok 4.3, saving $0.5 (20% lower).
Cost-first pickGrok Build 0.1
Context-first pickGrok 4.3
Sample savings$0.520%
10x traffic gap$5
Grok 4.3 has more context, but Grok Build 0.1 saves $0.5 on the standard workload. At 10x that traffic, the same price gap is about $5. 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 | Grok 4.3 | Grok Build 0.1 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Grok Build 0.1 | $7.5 | $6 |
| Balanced workload | 1M input + 1M output | Grok Build 0.1 | $3.75 | $3 |
| Output-heavy chatbot | 1M input + 5M output | Grok Build 0.1 | $13.75 | $11 |
Grok Build 0.1 is $0.5 cheaper per 1M output tokens (20% lower; 1.25x difference).
Grok 4.3 has 744K more context (3.91x larger).
Grok Build 0.1 is $0.5 cheaper on the standard workload (20% 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; Grok 4.3 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 $2.5 for Grok 4.3 and $2 for Grok Build 0.1.
Choose Grok 4.3 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 $2.5 for Grok 4.3, saving $0.5 (20% lower).
- Grok Build 0.1 is $0.5 cheaper on the standard workload (20% lower).
- Grok Build 0.1 is $0.25 cheaper per 1M input tokens (20% lower; 1.25x difference).
- Grok Build 0.1 is $0.5 cheaper per 1M output tokens (20% lower; 1.25x difference).
- Grok 4.3 has 744K more context (3.91x larger).
| Feature | NewGrok 4.3 (xAI) | NewGrok Build 0.1 (xAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $1.25 | $1 |
| Completion Price per 1M tokens | $2.5 | $2 |
| Sample Workload Cost 1M input + 500K output | $2.5 | $2 |
| Context Window | 1M | 256K |
| Release Date | ||
| Popularity | #50 | #119 |
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 $2.5 for Grok 4.3, saving $0.5 (20% 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 | Grok 4.3 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- No lower-cost same-provider swap is currently tracked for this pair.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.
- DeepSeek V4 Flash · DeepSeek · #1
- Hy3 preview · Tencent · #2
- Claude Opus 4.7 · Anthropic · #3
- Claude Sonnet 4.6 · Anthropic · #4
Cheaper alternatives
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