DeepSeek V4.1 Flash 1017 (batch) is $0.07 cheaper per 1M input tokens (86.2% lower; 7.27x difference).
API cost decision in 10 seconds
NewLFM3-1.7B vs NewDeepSeek V4.1 Flash 1017 (batch)
Pick DeepSeek V4.1 Flash 1017 (batch) when budget and context both matter.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick DeepSeek V4.1 Flash 1017 (batch) when budget and context both matter.
On the standard 1M input plus 500K output workload, DeepSeek V4.1 Flash 1017 (batch) is estimated at $0.11 vs $0.18 for LFM3-1.7B, saving $0.07 (38.3% lower).
Cost-first pickDeepSeek V4.1 Flash 1017 (batch)
Context-first pickDeepSeek V4.1 Flash 1017 (batch)
Sample savings$0.0738.3%
10x traffic gap$0.69
DeepSeek V4.1 Flash 1017 (batch) is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $0.69. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
DeepSeek V4.1 Flash 1017 (batch) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | LFM3-1.7B | DeepSeek V4.1 Flash 1017 (batch) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | DeepSeek V4.1 Flash 1017 (batch) | $0.5 | $0.15 |
| Balanced workload | 1M input + 1M output | DeepSeek V4.1 Flash 1017 (batch) | $0.28 | $0.21 |
| Output-heavy chatbot | 1M input + 5M output | DeepSeek V4.1 Flash 1017 (batch) | $1.08 | $1.01 |
Both models report the same output price at $0.2 per 1M tokens.
DeepSeek V4.1 Flash 1017 (batch) has 786.43K more context (4x larger).
DeepSeek V4.1 Flash 1017 (batch) is $0.07 cheaper on the standard workload (38.3% 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
DeepSeek V4.1 Flash 1017 (batch) has the lower input price; both models tie on output price; DeepSeek V4.1 Flash 1017 (batch) offers the larger context window. For the 1M input plus 500K output sample, DeepSeek V4.1 Flash 1017 (batch) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.18 for LFM3-1.7B and $0.11 for DeepSeek V4.1 Flash 1017 (batch).
Choose LFM3-1.7B when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
Choose DeepSeek V4.1 Flash 1017 (batch) when you care most about lower input-token price, and larger context window.
- On the standard 1M input plus 500K output workload, DeepSeek V4.1 Flash 1017 (batch) is estimated at $0.11 vs $0.18 for LFM3-1.7B, saving $0.07 (38.3% lower).
- DeepSeek V4.1 Flash 1017 (batch) is $0.07 cheaper on the standard workload (38.3% lower).
- DeepSeek V4.1 Flash 1017 (batch) is $0.07 cheaper per 1M input tokens (86.2% lower; 7.27x difference).
- Both models report the same output price at $0.2 per 1M tokens.
- DeepSeek V4.1 Flash 1017 (batch) has 786.43K more context (4x larger).
| Feature | NewLFM3-1.7B (LiquidAI) | NewDeepSeek V4.1 Flash 1017 (batch) (DeepSeek) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.08 | $0.011 |
| Completion Price per 1M tokens | $0.2 | $0.2 |
| Sample Workload Cost 1M input + 500K output | $0.18 | $0.11 |
| Context Window | 262.14K | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | DeepSeek V4.1 Flash 1017 (batch) | On the standard 1M input plus 500K output workload, DeepSeek V4.1 Flash 1017 (batch) is estimated at $0.11 vs $0.18 for LFM3-1.7B, saving $0.07 (38.3% lower). |
| High-volume input processing | DeepSeek V4.1 Flash 1017 (batch) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Tie | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | DeepSeek V4.1 Flash 1017 (batch) | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- LFM3-1.7B (free) can replace LFM3-1.7B when lower sample workload cost matters most: $0.
- LFM2.5-2.6B (free) can replace LFM3-1.7B when lower sample workload cost matters most: $0.
- LFM2.5-1.2B-Thinking (free) can replace LFM3-1.7B when lower sample workload cost matters most: $0.
- LFM2.5-1.2B-Instruct (free) can replace LFM3-1.7B when lower sample workload cost matters most: $0.
- GPT-6 Luna Pro (batch) offers 1.05M context with $0.17 sample workload cost.
- GPT-6 Luna (batch) offers 1.05M context with $0.17 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- Kimi K3.1 Pro · MoonshotAI · #1
- DeepSeek V4.1 Flash 1017 · DeepSeek · #2
- DeepSeek V4.1 Flash · DeepSeek · #3
- GLM 5.3 Flash · Z.ai · #4
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DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...