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Head-to-head comparison

DeepSeek V4 Flash 0731 vs DeepSeek V4 Flash Vision Exp

DeepSeek V4 Flash 0731 (DeepSeek) and DeepSeek V4 Flash Vision Exp (DeepSeek) 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 9 September 2026

As of 9 September 2026, DeepSeek V4 Flash Vision Exp holds the stronger ModelCap Index position (#23 vs #24); DeepSeek V4 Flash 0731 is 3.7× cheaper per output token ($0.18/1M vs $0.66/1M); and DeepSeek V4 Flash 0731 offers the longer context window (1.3M vs 1M tokens).

Which should you choose?

Choose DeepSeek V4 Flash 0731 if…

  • API cost matters — $0.18/1M output tokens against $0.66/1M, about 3.7× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.065/1M against $0.22/1M.
  • you need the longer context window — 1.3M tokens against 1M.
  • you want provider choice — 28 listed API providers against 6.

Choose DeepSeek V4 Flash Vision Exp if…

  • you want the stronger overall ModelCap Index position — #23 against #24 (71.2 vs 70.7 points).
  • you want the more recently listed model — DeepSeek V4 Flash Vision Exp was listed 21 August 2026, DeepSeek V4 Flash 0731 31 July 2026.

DeepSeek V4 Flash 0731 vs DeepSeek V4 Flash Vision Exp: specs, pricing and context

Specification comparison of DeepSeek V4 Flash 0731 and DeepSeek V4 Flash Vision Exp
FieldDeepSeek V4 Flash 0731DeepSeekDeepSeek V4 Flash Vision ExpDeepSeek
ModelCap Index position#24#23
Index score70.771.2
EvidenceMeasuredEstimated
Input price / 1M tokens$0.065$0.22
Output price / 1M tokens$0.18$0.66
Context window1.3M tokens1M tokens
Max output tokens944K944K
API providers listed286
Weight accessOpen weightsOpen weights
Input modalitiesTextText, Image
First listed31 July 202621 August 2026
PublisherDeepSeekDeepSeek

Evidence: 2 public benchmark observations across 2 boards · publisher-corpus-prior over 182 held-out anchors (13%); launch card against 2 resolved peers on 7 rows (87%); exceeds every named peer on 1 of 7 rows; no cross-lab optimism probe available; shrunk 2 toward the measured corpus. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: DeepSeek V4 Flash 0731 vs DeepSeek V4 Flash Vision Exp

Public benchmark boards where DeepSeek V4 Flash 0731 or DeepSeek V4 Flash Vision Exp has a published result
BoardDeepSeek V4 Flash 0731DeepSeek V4 Flash Vision ExpLeads
ARC-AGI-2ARC Prize Foundation61.4%Max—Only one result
AA Intelligence IndexArtificial Analysis34.5intelligence-index:v4.3:max—Only one result
AA Terminal-Bench 2.1Artificial Analysis78.7%terminal-bench:2.1:terminus-2:e2b:pass-at-1:3-repeats:source-model="DeepSeek V4 Flash 0731 (max)":reasoning=true—Only one result
AA Humanity's Last ExamArtificial Analysis38.6%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="DeepSeek V4 Flash 0731 (max)":reasoning=true—Only one result

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 Flash 0731 vs DeepSeek V4 Flash Vision Exp: common questions

Is DeepSeek V4 Flash 0731 better than DeepSeek V4 Flash Vision Exp?

DeepSeek V4 Flash Vision Exp ranks higher on the ModelCap Index as of 9 September 2026: #23 against #24. 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 overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is DeepSeek V4 Flash 0731 cheaper than DeepSeek V4 Flash Vision Exp?

DeepSeek V4 Flash 0731 is cheaper on output tokens: $0.18/1M against $0.66/1M. Input tokens are $0.065/1M for DeepSeek V4 Flash 0731 and $0.22/1M for DeepSeek V4 Flash Vision Exp. 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 $0.22 for DeepSeek V4 Flash 0731 versus $0.77 for DeepSeek V4 Flash Vision Exp. DeepSeek V4 Flash 0731 costs 71.4% 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 Flash 0731 or DeepSeek V4 Flash Vision Exp?

DeepSeek V4 Flash 0731 has the larger context window: 1.3M tokens against 1M.

Which is better for coding, DeepSeek V4 Flash 0731 or DeepSeek V4 Flash Vision Exp?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are DeepSeek V4 Flash 0731 and DeepSeek V4 Flash Vision Exp open-weight models?

DeepSeek V4 Flash 0731: Open weights. DeepSeek V4 Flash Vision Exp: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run DeepSeek V4 Flash 0731 and DeepSeek V4 Flash Vision Exp?

ModelCap currently lists 28 API providers for DeepSeek V4 Flash 0731 and 6 for DeepSeek V4 Flash Vision Exp, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this DeepSeek V4 Flash 0731 vs DeepSeek V4 Flash Vision Exp comparison?

Every figure comes from the sealed ModelCap dataset published 9 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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