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Head-to-head comparison

DeepSeek V4 Flash Vision Exp vs GLM 5.3 Flash

DeepSeek V4 Flash Vision Exp (DeepSeek) and GLM 5.3 Flash (Z.ai) 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, GLM 5.3 Flash holds the stronger ModelCap Index position (#11 vs #23); GLM 5.3 Flash is 2.6× cheaper per output token ($0.25/1M vs $0.66/1M); and GLM 5.3 Flash offers the longer context window (1.3M vs 1M tokens).

Which should you choose?

Choose DeepSeek V4 Flash Vision Exp if…

  • ModelCap publishes no field on which DeepSeek V4 Flash Vision Exp leads GLM 5.3 Flash for this pair.

Choose GLM 5.3 Flash if…

  • you want the stronger overall ModelCap Index position — #11 against #23 (78.7 vs 71.2 points).
  • API cost matters — $0.25/1M output tokens against $0.66/1M, about 2.6× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.075/1M against $0.22/1M.
  • you need the longer context window — 1.3M tokens against 1M.
  • you want provider choice — 26 listed API providers against 6.
  • you want the more recently listed model — GLM 5.3 Flash was listed 26 August 2026, DeepSeek V4 Flash Vision Exp 21 August 2026.

DeepSeek V4 Flash Vision Exp vs GLM 5.3 Flash: specs, pricing and context

Specification comparison of DeepSeek V4 Flash Vision Exp and GLM 5.3 Flash
FieldDeepSeek V4 Flash Vision ExpDeepSeekGLM 5.3 FlashZ.ai
ModelCap Index position#23#11
Index score71.278.7
EvidenceEstimatedMeasured
Input price / 1M tokens$0.22$0.075
Output price / 1M tokens$0.66$0.25
Context window1M tokens1.3M tokens
Max output tokens944K131K
API providers listed626
Weight accessOpen weightsOpen weights
Input modalitiesText, ImageText, Image, Video
First listed21 August 202626 August 2026
PublisherDeepSeekZ.ai

Evidence: 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 · 4 public benchmark observations across 4 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: DeepSeek V4 Flash Vision Exp vs GLM 5.3 Flash

Public benchmark boards where DeepSeek V4 Flash Vision Exp or GLM 5.3 Flash has a published result
BoardDeepSeek V4 Flash Vision ExpGLM 5.3 FlashLeads
Arena codingArena (LMArena)—15341517–1551Only one result
LMArena AgentLMArena—2.0%1.1%–2.9%Only one result
AA Intelligence IndexArtificial Analysis—41.9intelligence-index:v4.3:reasoning-unspecifiedOnly one result
AA Terminal-Bench 2.1Artificial Analysis—84.3%terminal-bench:2.1:terminus-2:e2b:pass-at-1:3-repeats:source-model="GLM-5.3-Flash":reasoning=trueOnly one result
AA Humanity's Last ExamArtificial Analysis—39.9%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="GLM-5.3-Flash":reasoning=trueOnly 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 Vision Exp vs GLM 5.3 Flash: common questions

Is DeepSeek V4 Flash Vision Exp better than GLM 5.3 Flash?

GLM 5.3 Flash ranks higher on the ModelCap Index as of 9 September 2026: #11 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 overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is DeepSeek V4 Flash Vision Exp cheaper than GLM 5.3 Flash?

GLM 5.3 Flash is cheaper on output tokens: $0.25/1M against $0.66/1M. Input tokens are $0.22/1M for DeepSeek V4 Flash Vision Exp and $0.075/1M for GLM 5.3 Flash. 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 $0.77 for DeepSeek V4 Flash Vision Exp versus $0.28 for GLM 5.3 Flash. GLM 5.3 Flash costs 64.3% 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 Vision Exp or GLM 5.3 Flash?

GLM 5.3 Flash has the larger context window: 1.3M tokens against 1M.

Which is better for coding, DeepSeek V4 Flash Vision Exp or GLM 5.3 Flash?

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 Vision Exp and GLM 5.3 Flash open-weight models?

DeepSeek V4 Flash Vision Exp: Open weights. GLM 5.3 Flash: 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 Vision Exp and GLM 5.3 Flash?

ModelCap currently lists 6 API providers for DeepSeek V4 Flash Vision Exp and 26 for GLM 5.3 Flash, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this DeepSeek V4 Flash Vision Exp vs GLM 5.3 Flash 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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