Moondream 3 Preview is $2.5 cheaper per 1M input tokens (89.3% lower; 9.33x difference).
API cost decision in 10 seconds
NewMoondream 3 Preview vs GLM 5.3 Prime
Pick Moondream 3 Preview for lower cost; pick GLM 5.3 Prime 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 Moondream 3 Preview for lower cost; pick GLM 5.3 Prime only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Moondream 3 Preview is estimated at $1.55 vs $7.2 for GLM 5.3 Prime, saving $5.65 (78.5% lower).
Cost-first pickMoondream 3 Preview
Context-first pickGLM 5.3 Prime
Sample savings$5.6578.5%
10x traffic gap$56.5
GLM 5.3 Prime has more context, but Moondream 3 Preview saves $5.65 on the standard workload. At 10x that traffic, the same price gap is about $56.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Moondream 3 Preview stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Moondream 3 Preview | GLM 5.3 Prime |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Moondream 3 Preview | $2.75 | $18.4 |
| Balanced workload | 1M input + 1M output | Moondream 3 Preview | $2.8 | $11.6 |
| Output-heavy chatbot | 1M input + 5M output | Moondream 3 Preview | $12.8 | $46.8 |
Moondream 3 Preview is $6.3 cheaper per 1M output tokens (71.6% lower; 3.52x difference).
GLM 5.3 Prime has 968K more context (31.2x larger).
Moondream 3 Preview is $5.65 cheaper on the standard workload (78.5% 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
Moondream 3 Preview has the lower input price; Moondream 3 Preview has the lower output price; GLM 5.3 Prime offers the larger context window. For the 1M input plus 500K output sample, Moondream 3 Preview is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $1.55 for Moondream 3 Preview and $7.2 for GLM 5.3 Prime.
Choose Moondream 3 Preview when you care most about lower input-token price, and lower output-token price.
Choose GLM 5.3 Prime when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Moondream 3 Preview is estimated at $1.55 vs $7.2 for GLM 5.3 Prime, saving $5.65 (78.5% lower).
- Moondream 3 Preview is $5.65 cheaper on the standard workload (78.5% lower).
- Moondream 3 Preview is $2.5 cheaper per 1M input tokens (89.3% lower; 9.33x difference).
- Moondream 3 Preview is $6.3 cheaper per 1M output tokens (71.6% lower; 3.52x difference).
- GLM 5.3 Prime has 968K more context (31.2x larger).
| Feature | NewMoondream 3 Preview (Moondream) | GLM 5.3 Prime (Z.ai) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.3 | $2.8 |
| Completion Price per 1M tokens | $2.5 | $8.8 |
| Sample Workload Cost 1M input + 500K output | $1.55 | $7.2 |
| Context Window | 32K | 1M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Moondream 3 Preview | On the standard 1M input plus 500K output workload, Moondream 3 Preview is estimated at $1.55 vs $7.2 for GLM 5.3 Prime, saving $5.65 (78.5% lower). |
| High-volume input processing | Moondream 3 Preview | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Moondream 3 Preview | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GLM 5.3 Prime | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- GLM 5.2 (free) can replace GLM 5.3 Prime when lower sample workload cost matters most: $0.
- GLM 4.5 Air (free) can replace GLM 5.3 Prime when lower sample workload cost matters most: $0.
- GLM 4 32B can replace GLM 5.3 Prime when lower sample workload cost matters most: $0.15.
- GLM 5.3 Flash (batch) can replace GLM 5.3 Prime when lower sample workload cost matters most: $0.16.
- 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.
- Llama 4 Scout offers 1.31M context with $0.47 sample workload cost.
- MiMo-V2.6-Flash offers 1.05M context with $0.28 sample workload cost.
- DeepSeek V4.1 Flash · DeepSeek · #1
- Step 5 Preview · StepFun · #2
- GLM 5.3 Flash · Z.ai · #3
- MiMo-V2.6-Flash · Xiaomi · #4
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Open Z.ai modelsMoondream 3 Preview is a vision-language model from Moondream with 9B total parameters and 2B active (mixture-of-experts). It handles visual question answering, captioning, OCR, and visual reasoning over images, with...
GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token...