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Head-to-head comparison

DeepSeek V4.1 Flash vs Gemini 4 Argon

DeepSeek V4.1 Flash (DeepSeek) and Gemini 4 Argon (Google) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 14 October 2026

As of 14 October 2026, Gemini 4 Argon holds the stronger ModelCap Index position (#1 vs #23); DeepSeek V4.1 Flash is 11.2× cheaper per output token ($0.891/1M vs $10.00/1M); and DeepSeek V4.1 Flash ships open weights.

Which should you choose?

Choose DeepSeek V4.1 Flash if…

  • API cost matters — $0.891/1M output tokens against $10.00/1M, about 11.2× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.016/1M against $2.00/1M.
  • you want to self-host: DeepSeek V4.1 Flash ships open weights while Gemini 4 Argon is no linked weights.
  • you want provider choice — 30 listed API providers against 2.

Choose Gemini 4 Argon if…

  • you want the stronger overall ModelCap Index position — #1 against #23 (88.6 vs 77.2 points).
  • Arena text is your yardstick — 1525 against 1475.
  • Arena coding is your yardstick — 1561 against 1526.
  • LMArena Agent is your yardstick — 13.6% against 2.9%.
  • AA Intelligence Index is your yardstick — 52.6 against 39.5.
  • AA Humanity's Last Exam is your yardstick — 57.1% against 39.2%.
  • you want the more recently listed model — Gemini 4 Argon was listed 13 October 2026, DeepSeek V4.1 Flash 10 September 2026.

DeepSeek V4.1 Flash vs Gemini 4 Argon: specs, pricing and context

Specification comparison of DeepSeek V4.1 Flash and Gemini 4 Argon
FieldDeepSeek V4.1 FlashDeepSeekGemini 4 ArgonGoogle
ModelCap Index position#23#1
Index score77.288.6
EvidenceMeasuredMeasured
Input price / 1M tokens$0.016$2.00
Output price / 1M tokens$0.891$10.00
Context window1M tokens1M tokens
Declared route output cap944K66K
API providers listed302
Weight accessOpen weightsNo linked weights
Input modalitiesText, ImageAudio, File, Image, Text, Video
First listed10 September 202613 October 2026
PublisherDeepSeekGoogle

Evidence: 5 public benchmark observations across 5 boards · 3 public benchmark observations across 3 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: DeepSeek V4.1 Flash vs Gemini 4 Argon

Public benchmark boards where DeepSeek V4.1 Flash or Gemini 4 Argon has a published result
BoardDeepSeek V4.1 FlashGemini 4 ArgonLeads
Arena textArena (LMArena)14751468–1481Max15251516–1534HighGemini 4 Argon
Arena codingArena (LMArena)15261515–1536Max15611543–1578HighGemini 4 Argon
LMArena AgentLMArena2.9%2.6%–3.3%Max13.6%12.0%–15.2%HighGemini 4 Argon
ARC-AGI-2ARC Prize Foundation72.9%Max—Only one result
ARC-AGI-3ARC Prize Foundation0.9%Max—Only one result
AA Intelligence IndexArtificial Analysis39.5Max52.6HighGemini 4 Argon
AA Humanity's Last ExamArtificial Analysis39.2%Max57.1%HighGemini 4 Argon

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

DeepSeek V4.1 Flash vs Gemini 4 Argon: common questions

Is DeepSeek V4.1 Flash better than Gemini 4 Argon?

Gemini 4 Argon ranks higher on the ModelCap Index as of 14 October 2026: #1 against #23. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it. Their published uncertainty intervals do not overlap, but the aggregate Index does not predict performance on every task; compare the relevant benchmark configurations before choosing.

Is DeepSeek V4.1 Flash cheaper than Gemini 4 Argon?

DeepSeek V4.1 Flash is cheaper on output tokens: $0.891/1M against $10.00/1M. Input tokens are $0.016/1M for DeepSeek V4.1 Flash and $2.00/1M for Gemini 4 Argon. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $0.48 for DeepSeek V4.1 Flash versus $9.00 for Gemini 4 Argon. DeepSeek V4.1 Flash costs 94.7% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.

Which has the bigger context window, DeepSeek V4.1 Flash or Gemini 4 Argon?

Both publish a 1M-token context window. OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified.

Which is better for coding, DeepSeek V4.1 Flash or Gemini 4 Argon?

Arena coding: DeepSeek V4.1 Flash 1526, Gemini 4 Argon 1561 — Gemini 4 Argon leads.

Are DeepSeek V4.1 Flash and Gemini 4 Argon open-weight models?

DeepSeek V4.1 Flash: Open weights. Gemini 4 Argon: No linked weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence. A missing weight link does not identify every API or chat product that offers a model.

Where can I run DeepSeek V4.1 Flash and Gemini 4 Argon?

ModelCap currently lists 30 API providers for DeepSeek V4.1 Flash and 2 for Gemini 4 Argon, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this DeepSeek V4.1 Flash vs Gemini 4 Argon comparison?

Every figure and ModelCap Index position comes from the same published snapshot dated 14 October 2026. Publication and page updates happen separately; use the snapshot date shown on the page.

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