Llama 3.1 8B Instruct is $1.18 cheaper per 1M input tokens (98.3% lower; 60x difference).
API cost decision in 10 seconds
Llama 3.1 8B Instruct vs GLM 5 Turbo
Pick Llama 3.1 8B Instruct for lower cost; pick GLM 5 Turbo 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 GLM 5 Turbo 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 $3.2 for GLM 5 Turbo, saving $3.16 (98.6% lower).
Cost-first pickLlama 3.1 8B Instruct
Context-first pickGLM 5 Turbo
Sample savings$3.1698.6%
10x traffic gap$31.55
GLM 5 Turbo has more context, but Llama 3.1 8B Instruct saves $3.16 on the standard workload. At 10x that traffic, the same price gap is about $31.55. 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 | Llama 3.1 8B Instruct | GLM 5 Turbo |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Llama 3.1 8B Instruct | $0.12 | $8 |
| Balanced workload | 1M input + 1M output | Llama 3.1 8B Instruct | $0.07 | $5.2 |
| Output-heavy chatbot | 1M input + 5M output | Llama 3.1 8B Instruct | $0.27 | $21.2 |
Llama 3.1 8B Instruct is $3.95 cheaper per 1M output tokens (98.8% lower; 80x difference).
GLM 5 Turbo has 71.68K more context (1.55x larger).
Llama 3.1 8B Instruct is $3.16 cheaper on the standard workload (98.6% 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; GLM 5 Turbo 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 $3.2 for GLM 5 Turbo.
Choose Llama 3.1 8B Instruct when you care most about lower input-token price, and lower output-token price.
Choose GLM 5 Turbo 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 $3.2 for GLM 5 Turbo, saving $3.16 (98.6% lower).
- Llama 3.1 8B Instruct is $3.16 cheaper on the standard workload (98.6% lower).
- Llama 3.1 8B Instruct is $1.18 cheaper per 1M input tokens (98.3% lower; 60x difference).
- Llama 3.1 8B Instruct is $3.95 cheaper per 1M output tokens (98.8% lower; 80x difference).
- GLM 5 Turbo has 71.68K more context (1.55x larger).
| Feature | Llama 3.1 8B Instruct (Meta) | GLM 5 Turbo (Z.ai) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.02 | $1.2 |
| Completion Price per 1M tokens | $0.05 | $4 |
| Sample Workload Cost 1M input + 500K output | $0.04 | $3.2 |
| Context Window | 131.07K | 202.75K |
| Release Date | ||
| Popularity | #40 | #85 |
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 $3.2 for GLM 5 Turbo, saving $3.16 (98.6% 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 | GLM 5 Turbo | 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.
- GLM 4.5 Air (free) can replace GLM 5 Turbo when lower sample workload cost matters most: $0.
- GLM 4 32B can replace GLM 5 Turbo when lower sample workload cost matters most: $0.15.
- 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
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