Llama 3.1 8B Instruct is $0.08 cheaper per 1M input tokens (80% lower; 5x difference).
API cost decision in 10 seconds
🔥DeepSeek V4 Flash vs Llama 3.1 8B Instruct
Pick Llama 3.1 8B Instruct for lower cost; pick DeepSeek V4 Flash 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 Llama 3.1 8B Instruct for lower cost; pick DeepSeek V4 Flash 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 $0.2 for DeepSeek V4 Flash, saving $0.16 (77.5% lower).
Cost-first pickLlama 3.1 8B Instruct
Context-first pickDeepSeek V4 Flash
Sample savings$0.1677.5%
10x traffic gap$1.55
DeepSeek V4 Flash has more context, but Llama 3.1 8B Instruct saves $0.16 on the standard workload. At 10x that traffic, the same price gap is about $1.55. 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 | DeepSeek V4 Flash | Llama 3.1 8B Instruct |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Llama 3.1 8B Instruct | $0.6 | $0.12 |
| Balanced workload | 1M input + 1M output | Llama 3.1 8B Instruct | $0.3 | $0.07 |
| Output-heavy chatbot | 1M input + 5M output | Llama 3.1 8B Instruct | $1.1 | $0.27 |
Llama 3.1 8B Instruct is $0.15 cheaper per 1M output tokens (75% lower; 4x difference).
DeepSeek V4 Flash has 917.5K more context (8x larger).
Llama 3.1 8B Instruct is $0.16 cheaper on the standard workload (77.5% 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
Llama 3.1 8B Instruct has the lower input price; Llama 3.1 8B Instruct has the lower output price; DeepSeek V4 Flash 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 $0.2 for DeepSeek V4 Flash and $0.04 for Llama 3.1 8B Instruct.
Choose DeepSeek V4 Flash when you care most about larger context window.
Choose Llama 3.1 8B Instruct when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Llama 3.1 8B Instruct is estimated at $0.04 vs $0.2 for DeepSeek V4 Flash, saving $0.16 (77.5% lower).
- Llama 3.1 8B Instruct is $0.16 cheaper on the standard workload (77.5% lower).
- Llama 3.1 8B Instruct is $0.08 cheaper per 1M input tokens (80% lower; 5x difference).
- Llama 3.1 8B Instruct is $0.15 cheaper per 1M output tokens (75% lower; 4x difference).
- DeepSeek V4 Flash has 917.5K more context (8x larger).
| Feature | 🔥DeepSeek V4 Flash (DeepSeek) | Llama 3.1 8B Instruct (Meta) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.1 | $0.02 |
| Completion Price per 1M tokens | $0.2 | $0.05 |
| Sample Workload Cost 1M input + 500K output | $0.2 | $0.04 |
| Context Window | 1.05M | 131.07K |
| Release Date | ||
| Popularity | #1 | #40 |
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 $0.2 for DeepSeek V4 Flash, saving $0.16 (77.5% 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 | DeepSeek V4 Flash | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- DeepSeek V4 Flash (free) can replace DeepSeek V4 Flash when lower sample workload cost matters most: $0.
- 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.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- Hy3 preview · Tencent · #2
- Claude Opus 4.7 · Anthropic · #3
- Claude Sonnet 4.6 · Anthropic · #4
- Owl Alpha · OpenRouter · #5
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