API cost decision in 10 seconds

NewDeepSeek V4.1 Flash vs NewLing 3.0 Flash Sante (free)

Pick Ling 3.0 Flash Sante (free) for lower cost; pick DeepSeek V4.1 Flash only if the larger context window matters more.

Page updated: 2026-09-11T10:07:21Z Data confirmed: 2026-09-12T06:08:18Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Ling 3.0 Flash Sante (free) for lower cost; pick DeepSeek V4.1 Flash only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Ling 3.0 Flash Sante (free) is estimated at $0 vs $0.45 for DeepSeek V4.1 Flash, saving $0.45 (100% lower).

Cost-first pickLing 3.0 Flash Sante (free)

Context-first pickDeepSeek V4.1 Flash

Sample savings$0.45100%

10x traffic gap$4.5

DeepSeek V4.1 Flash has more context, but Ling 3.0 Flash Sante (free) saves $0.45 on the standard workload. At 10x that traffic, the same price gap is about $4.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Ling 3.0 Flash Sante (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	DeepSeek V4.1 Flash	Ling 3.0 Flash Sante (free)
Input-heavy / RAG	5M input + 500K output	Ling 3.0 Flash Sante (free)	$1.05	$0
Balanced workload	1M input + 1M output	Ling 3.0 Flash Sante (free)	$0.75	$0
Output-heavy chatbot	1M input + 5M output	Ling 3.0 Flash Sante (free)	$3.15	$0

Cheaper input Ling 3.0 Flash Sante (free) $0.15 vs $0 / 1M

Ling 3.0 Flash Sante (free) is free for input tokens while DeepSeek V4.1 Flash costs $0.15 per 1M tokens.

Cheaper output Ling 3.0 Flash Sante (free) $0.6 vs $0 / 1M

Ling 3.0 Flash Sante (free) is free for output tokens while DeepSeek V4.1 Flash costs $0.6 per 1M tokens.

Larger context DeepSeek V4.1 Flash 1.05M vs 262.14K

DeepSeek V4.1 Flash has 786.43K more context (4x larger).

Sample workload Ling 3.0 Flash Sante (free) $0.45 vs $0

Ling 3.0 Flash Sante (free) is free for the standard workload while the other model is estimated at $0.45.

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

DeepSeek V4.1 Flash Calculating… Estimated API cost

Ling 3.0 Flash Sante (free) Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

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

Verdict

Ling 3.0 Flash Sante (free) has the lower input price; Ling 3.0 Flash Sante (free) has the lower output price; DeepSeek V4.1 Flash offers the larger context window. For the 1M input plus 500K output sample, Ling 3.0 Flash Sante (free) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.45 for DeepSeek V4.1 Flash and $0 for Ling 3.0 Flash Sante (free).

Best Fit

Choose DeepSeek V4.1 Flash when you care most about larger context window.

Choose Ling 3.0 Flash Sante (free) when you care most about lower input-token price, and lower output-token price.

Decision Notes

On the standard 1M input plus 500K output workload, Ling 3.0 Flash Sante (free) is estimated at $0 vs $0.45 for DeepSeek V4.1 Flash, saving $0.45 (100% lower).
Ling 3.0 Flash Sante (free) is free for the standard workload while the other model is estimated at $0.45.
Ling 3.0 Flash Sante (free) is free for input tokens while DeepSeek V4.1 Flash costs $0.15 per 1M tokens.
Ling 3.0 Flash Sante (free) is free for output tokens while DeepSeek V4.1 Flash costs $0.6 per 1M tokens.
DeepSeek V4.1 Flash has 786.43K more context (4x larger).

Head-to-Head Specs

Feature	NewDeepSeek V4.1 Flash (DeepSeek)	NewLing 3.0 Flash Sante (free) (inclusionAI)
Input Price prompt tokens per 1M	$0.15	$0
Completion Price per 1M tokens	$0.6	$0
Sample Workload Cost 1M input + 500K output	$0.45	$0
Context Window	1.05M	262.14K
Release Date	2026-09-10	2026-09-04

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Ling 3.0 Flash Sante (free)	On the standard 1M input plus 500K output workload, Ling 3.0 Flash Sante (free) is estimated at $0 vs $0.45 for DeepSeek V4.1 Flash, saving $0.45 (100% lower).
High-volume input processing	Ling 3.0 Flash Sante (free)	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Ling 3.0 Flash Sante (free)	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	DeepSeek V4.1 Flash	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

DeepSeek V4 Flash (free) can replace DeepSeek V4.1 Flash when lower sample workload cost matters most: $0.
DeepSeek V4 Flash 0731 can replace DeepSeek V4.1 Flash when lower sample workload cost matters most: $0.08.
DeepSeek V4 Flash 0423 can replace DeepSeek V4.1 Flash when lower sample workload cost matters most: $0.13.
DeepSeek V4 Flash Vision Exp (batch) can replace DeepSeek V4.1 Flash when lower sample workload cost matters most: $0.28.

Larger context near this budget

GLM 5.3 Flash offers 1.31M context with $0.4 sample workload cost.
DeepSeek V4 Flash 0731 offers 1.31M context with $0.08 sample workload cost.
GLM Flash Latest offers 1.31M context with $0.2 sample workload cost.
DeepSeek V4 Flash Latest offers 1.31M context with $0.08 sample workload cost.

Popular competitors

Hy4 preview · Tencent · #1
GPT-5.6 Luna · OpenAI · #2
GLM 5.3 Flash · Z.ai · #3
DeepSeek V4 Flash 0731 · DeepSeek · #4

Cheaper alternatives

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Provider catalogs

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DeepSeek catalog

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inclusionAI catalog

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DeepSeek V4.1 Flash

DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...

Ling 3.0 Flash Sante (free)

Ling 3.0 Flash Sante is a health and medicine-focused mixture-of-experts model from InclusionAI, built on Ling 3.0 Flash with 5.1B active parameters out of 124B total. It is designed for...