Nemotron 3 Nano 30B A3B (free) is free for input tokens while Step 3.5 Flash costs $0.09 per 1M tokens.
API cost decision in 10 seconds
Step 3.5 Flash vs Nemotron 3 Nano 30B A3B (free)
Pick Nemotron 3 Nano 30B A3B (free) for lower cost; pick Step 3.5 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 Nemotron 3 Nano 30B A3B (free) for lower cost; pick Step 3.5 Flash only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Nemotron 3 Nano 30B A3B (free) is estimated at $0 vs $0.24 for Step 3.5 Flash, saving $0.24 (100% lower).
Cost-first pickNemotron 3 Nano 30B A3B (free)
Context-first pickStep 3.5 Flash
Sample savings$0.24100%
10x traffic gap$2.4
Step 3.5 Flash has more context, but Nemotron 3 Nano 30B A3B (free) saves $0.24 on the standard workload. At 10x that traffic, the same price gap is about $2.4. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Nemotron 3 Nano 30B A3B (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Step 3.5 Flash | Nemotron 3 Nano 30B A3B (free) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Nemotron 3 Nano 30B A3B (free) | $0.6 | $0 |
| Balanced workload | 1M input + 1M output | Nemotron 3 Nano 30B A3B (free) | $0.39 | $0 |
| Output-heavy chatbot | 1M input + 5M output | Nemotron 3 Nano 30B A3B (free) | $1.59 | $0 |
Nemotron 3 Nano 30B A3B (free) is free for output tokens while Step 3.5 Flash costs $0.3 per 1M tokens.
Step 3.5 Flash has 6.14K more context (1.02x larger).
Nemotron 3 Nano 30B A3B (free) is free for the standard workload while the other model is estimated at $0.24.
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
Nemotron 3 Nano 30B A3B (free) has the lower input price; Nemotron 3 Nano 30B A3B (free) has the lower output price; Step 3.5 Flash offers the larger context window. For the 1M input plus 500K output sample, Nemotron 3 Nano 30B A3B (free) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.24 for Step 3.5 Flash and $0 for Nemotron 3 Nano 30B A3B (free).
Choose Step 3.5 Flash when you care most about larger context window.
Choose Nemotron 3 Nano 30B A3B (free) when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Nemotron 3 Nano 30B A3B (free) is estimated at $0 vs $0.24 for Step 3.5 Flash, saving $0.24 (100% lower).
- Nemotron 3 Nano 30B A3B (free) is free for the standard workload while the other model is estimated at $0.24.
- Nemotron 3 Nano 30B A3B (free) is free for input tokens while Step 3.5 Flash costs $0.09 per 1M tokens.
- Nemotron 3 Nano 30B A3B (free) is free for output tokens while Step 3.5 Flash costs $0.3 per 1M tokens.
- Step 3.5 Flash has 6.14K more context (1.02x larger).
| Feature | Step 3.5 Flash (StepFun) | Nemotron 3 Nano 30B A3B (free) (NVIDIA) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.09 | $0 |
| Completion Price per 1M tokens | $0.3 | $0 |
| Sample Workload Cost 1M input + 500K output | $0.24 | $0 |
| Context Window | 262.14K | 256K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Nemotron 3 Nano 30B A3B (free) | On the standard 1M input plus 500K output workload, Nemotron 3 Nano 30B A3B (free) is estimated at $0 vs $0.24 for Step 3.5 Flash, saving $0.24 (100% lower). |
| High-volume input processing | Nemotron 3 Nano 30B A3B (free) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Nemotron 3 Nano 30B A3B (free) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Step 3.5 Flash | 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.
- 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 (free) offers 1.05M context with $0 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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Open cheapest modelsLarger context alternatives
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Open provider hubsStepFun catalog
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