Llama 3.1 8B Instruct is $0.68 cheaper per 1M input tokens (97.1% lower; 35x difference).
API cost decision in 10 seconds
Llama 3.1 8B Instruct vs R1
Pick Llama 3.1 8B Instruct for lower cost; pick R1 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 Llama 3.1 8B Instruct for lower cost; pick R1 only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Llama 3.1 8B Instruct is estimated at $0.04 vs $1.95 for R1, saving $1.91 (97.7% lower).
Cost-first pickLlama 3.1 8B Instruct
Context-first pickR1
Sample savings$1.9197.7%
10x traffic gap$19.05
R1 has more context, but Llama 3.1 8B Instruct saves $1.91 on the standard workload. At 10x that traffic, the same price gap is about $19.05. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Llama 3.1 8B Instruct stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Llama 3.1 8B Instruct | R1 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Llama 3.1 8B Instruct | $0.12 | $4.75 |
| Balanced workload | 1M input + 1M output | Llama 3.1 8B Instruct | $0.07 | $3.2 |
| Output-heavy chatbot | 1M input + 5M output | Llama 3.1 8B Instruct | $0.27 | $13.2 |
Llama 3.1 8B Instruct is $2.45 cheaper per 1M output tokens (98% lower; 50x difference).
R1 has 32.77K more context (1.25x larger).
Llama 3.1 8B Instruct is $1.91 cheaper on the standard workload (97.7% 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
Llama 3.1 8B Instruct has the lower input price; Llama 3.1 8B Instruct has the lower output price; R1 offers the larger context window. For the 1M input plus 500K output sample, Llama 3.1 8B Instruct is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.04 for Llama 3.1 8B Instruct and $1.95 for R1.
Choose Llama 3.1 8B Instruct when you care most about lower input-token price, and lower output-token price.
Choose R1 when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Llama 3.1 8B Instruct is estimated at $0.04 vs $1.95 for R1, saving $1.91 (97.7% lower).
- Llama 3.1 8B Instruct is $1.91 cheaper on the standard workload (97.7% lower).
- Llama 3.1 8B Instruct is $0.68 cheaper per 1M input tokens (97.1% lower; 35x difference).
- Llama 3.1 8B Instruct is $2.45 cheaper per 1M output tokens (98% lower; 50x difference).
- R1 has 32.77K more context (1.25x larger).
| Feature | Llama 3.1 8B Instruct (Meta) | R1 (DeepSeek) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.02 | $0.7 |
| Completion Price per 1M tokens | $0.05 | $2.5 |
| Sample Workload Cost 1M input + 500K output | $0.04 | $1.95 |
| Context Window | 131.07K | 163.84K |
| Release Date | ||
| Popularity | #40 | #144 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Llama 3.1 8B Instruct | On the standard 1M input plus 500K output workload, Llama 3.1 8B Instruct is estimated at $0.04 vs $1.95 for R1, saving $1.91 (97.7% lower). |
| High-volume input processing | Llama 3.1 8B Instruct | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Llama 3.1 8B Instruct | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | R1 | 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 Llama 3.1 8B Instruct when lower sample workload cost matters most: $0.
- Llama 3.2 3B Instruct (free) can replace Llama 3.1 8B Instruct when lower sample workload cost matters most: $0.
- DeepSeek V4 Flash (free) can replace R1 when lower sample workload cost matters most: $0.
- DeepSeek V4 Flash can replace R1 when lower sample workload cost matters most: $0.2.
- Llama 4 Scout offers 10M context with $0.23 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 Pro offers 1.05M context with $0.87 sample workload cost.
- DeepSeek V4 Flash · DeepSeek · #1
- Hy3 preview · Tencent · #2
- Claude Opus 4.7 · Anthropic · #3
- Claude Sonnet 4.6 · Anthropic · #4
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