KI‑Modell‑Intelligenz

DeepSeek V4.1 Flash

deepseek/flash

Von DeepSeek · Familie: deepseek-flash · veröffentlicht 2026-09-10 · Wissensstand: 2025-05

$0.150
Eingabe / 1 Mio. Tokens
$0.600
Ausgabe / 1 Mio. Tokens
1M
Kontextfenster
393K
Max. Ausgabe

Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.

Fähigkeiten

✓ Tool Calling✓ Reasoning✓ Strukturierte Ausgabe✓ Anhänge✓ Offene Gewichte✓ Temperatur-Steuerung
Modalitäten: Eingabe text, image · Ausgabe text

Model fit scores

0–100 · higher is better

These scores reward declared capabilities, context size, price and provider availability — they are not benchmark results. Use them as a directional signal alongside your own evaluation.

Coding92
  • Tool calling40/40
  • Structured output20/20
  • Reasoning10/10
  • Context window (100K → 1M)20/20
  • Provider availability2/10
Agents92
  • Tool calling35/35
  • Structured output25/25
  • Reasoning15/15
  • Output token limit15/15
  • Provider availability2/10
JSON / structured output99
  • Structured output / JSON mode50/50
  • Tool calling20/20
  • Temperature control10/10
  • Price-friendly for high-volume19/20
Cost efficiency70
  • Headline price (log-scaled)65/95
  • Has prompt-cache pricing5/5
Long context90
  • Context window (100K → 2M)80/90
  • Has published price for full window10/10
Vision92
  • Accepts image input50/50
  • Context window (10K → 1M)30/30
  • Has published price10/10
  • Provider availability2/10
Production-readiness70
  • Number of independent providers10/40
  • Has published per-token price20/20
  • Context window ≥ 8K15/15
  • No data inconsistencies across providers10/10
  • Official model (not derivative)15/15

Cost Efficiency Index

Open full calculator →

Estimated cost using the recommended provider's headline rate. Each scenario fixes average input/output tokens — the assumptions are shown in the third column.

ScenarioCostAssumption
RAG answer
per 1,000 RAG answers
$1.05
< $0.01 per request
5K input tokens (query + 4 retrieved chunks of ~1K each) and a 500-token answer. Typical SaaS knowledge-base bot.
Support ticket triage
per 10,000 tickets
$2.10
< $0.01 per request
1K input tokens (ticket body + system prompt) and a 100-token JSON classification reply. High-volume customer support.
Data extraction
per 1,000 documents
$0.60
< $0.01 per request
2K input tokens (a single document page) and a 500-token JSON extraction. ETL / invoice / form pipelines.
Code review
per 1,000 PRs
$1.80
< $0.01 per request
8K input tokens (diff + surrounding files) and a 1K-token review comment. PR-bot workloads.
Agent step
per 1,000 steps
$2.16
< $0.01 per request
12K input tokens (long-running tool history) and a 600-token tool-call decision. Cost per agent step.

Preis-Details

Empfohlene Preise von deepseek · deepseek-flash

$0.150
Eingabe
$0.600
Ausgabe
$0.003
Cache-Lesen
$0.600
Reasoning-Tokens

Bei 2 Anbietern verfügbar

AnbieterAnbieter-Modell-IDEingabe / 1MAusgabe / 1MKontextVeröffentlicht
DeepSeek
deepseek
deepseek-flash$0.150$0.6001M2026-09-10
302.AI
302ai
deepseek-flash$0.150$0.6001M2026-09-10

Frequently asked questions

How much does DeepSeek V4.1 Flash cost?

DeepSeek V4.1 Flash costs $0.150 per 1M input tokens and $0.600 per 1M output tokens, sourced from deepseek. Cache reads, audio tokens and >200K-context tiers (where applicable) are listed in the Pricing detail block above.

What is the context window of DeepSeek V4.1 Flash?

DeepSeek V4.1 Flash has a context window of 1M tokens, with a max output of 393K tokens per reply. This is the total combined size of prompt + completion.

Does DeepSeek V4.1 Flash support tool calling?

Yes. DeepSeek V4.1 Flash supports tool calling (function calling). This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.

Does DeepSeek V4.1 Flash support structured output / JSON mode?

Yes. DeepSeek V4.1 Flash supports structured output / JSON-schema-constrained decoding. This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.

Can DeepSeek V4.1 Flash accept image input?

Yes. DeepSeek V4.1 Flash accepts both text and image input. Vision pricing per image is usually billed on top of the regular token rate — check DeepSeek's docs for the exact rule.

Is DeepSeek V4.1 Flash open-weight?

Yes. DeepSeek V4.1 Flash's weights are publicly available, so you can self-host or fine-tune. Note that open weights ≠ open source — the training data and code are typically not released.

What are the best alternatives to DeepSeek V4.1 Flash?

If DeepSeek V4.1 Flash doesn't fit, consider DeepSeek V4 Pro, DeepSeek V4 Flash, DeepSeek V4.1 Flash. Each one targets the same use case — see the Related links below for direct head-to-head pages.

Where does this data come from?

All numbers are normalised into a single canonical model record and reconciled with each provider's official documentation. We re-pull daily and write any changes (price, context, capability) to the /changelog page.

Explore more

More DeepSeek models

Capability lists this model is in

See also

Zuletzt aktualisiert:

Pricing and capabilities are refreshed daily and reconciled against each provider's official documentation. Always verify critical production decisions with the provider directly.