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Model comparison

DeepSeek-V4-Flash-Vision-Exp vs Laguna S 2.1

Short answer

DeepSeek-V4-Flash-Vision-Exp scores higher on 3 of the 3 benchmarks both models report; Laguna S 2.1 is cheaper on input tokens ($0.1 vs $0.2 per 1M, 2.4×).

Specs and pricing side by side

SpecDeepSeek-V4-Flash-Vision-ExpLaguna S 2.1
MakerDeepSeekPoolside
Released2026-08-212026-07-21
Context window1M1Msame
Max output384Knot published
Input price$0.22 off-peak · $0.44 peak$0.09
Output price$0.66 off-peak · $1.32 peak$0.18
Parametersnot published118B total · 8B active
LicenseMITOpenMDW-1.1
WeightsOpen weightsOpen weightssame
ModalitiesText, VisionText

Not published by either maker: knowledge cutoff.

Benchmarks both models report

BenchmarkDeepSeek-V4-Flash-Vision-ExpLaguna S 2.1
Terminal Bench 2.183.9%70.2%
Toolathlon-Verified75.9%49.7%
DeepSWE59.3%40.4%

Scores are as published by each maker or its cited source; harness, reasoning effort and date can differ between rows, so treat small gaps as ties. Sources are listed on each model page.

Which one should you pick?

Pick DeepSeek-V4-Flash-Vision-Exp if…

  • You care about Terminal Bench 2.1, Toolathlon-Verified, DeepSWE (it scores higher on 3 shared benchmarks).
  • You need Vision input, which Laguna S 2.1 lacks.
  • Your use case is: multimodal agent loops that must read screenshots, dashboards or UI state to decide the next action.

Pick Laguna S 2.1 if…

  • Cost matters: input tokens cost 2.4× less ($0.1 vs $0.2 per 1M).
  • Your use case is: reach for it when you want to move high-volume agentic coding off a metered API and onto your own hardware without giving up long-horizon performance.

FAQ

Which is better, DeepSeek-V4-Flash-Vision-Exp or Laguna S 2.1?

DeepSeek-V4-Flash-Vision-Exp scores higher on 3 of the 3 benchmarks both models report; Laguna S 2.1 is cheaper on input tokens ($0.1 vs $0.2 per 1M, 2.4×). The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.

How much cheaper is Laguna S 2.1?

DeepSeek-V4-Flash-Vision-Exp: $0.22 off-peak · $0.44 peak input, $0.66 off-peak · $1.32 peak output. Laguna S 2.1: $0.09 input, $0.18 output (list API prices as published by each maker).

What are the context windows of DeepSeek-V4-Flash-Vision-Exp and Laguna S 2.1?

DeepSeek-V4-Flash-Vision-Exp offers 1M with up to 384K output; Laguna S 2.1 offers 1M.

Is DeepSeek-V4-Flash-Vision-Exp newer than Laguna S 2.1?

DeepSeek-V4-Flash-Vision-Exp was released 2026-08-21; Laguna S 2.1 was released 2026-07-21.

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