DeepSeek V4 Flash vs GPT-5.2 Pro

At a Glance

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Pricing and Limits
Input priceFrom · USD / 1M tokens$0.0868Openrouter · Aug 28, 2026$21.00Openai · Sep 3, 2026
Output priceFrom · USD / 1M tokens$0.1736Openrouter · Aug 28, 2026$168.00Openai · Sep 3, 2026
Context windowMaximum documented tokens1,049K400K
Model facts checkedAug 28, 2026View model evidence →Sep 3, 2026View model evidence →

Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →

Available Benchmarks

All benchmark results →
BenchmarkDeepSeek-V4-FlashGPT-5.2 Pro
ARC-AGI-1verified-v1-ba05d69f6453 · verified_score · leader89.0098% of row best · percent · DeepSeek V4 Flash 0731 (Max)90.50100% of row best · percent · GPT-5.2 Pro (XHigh)
ARC-AGI-2verified-v2-6c676fa3e9af · verified_score · leader61.39100% of row best · percent · DeepSeek V4 Flash 0731 (Max)54.1688% of row best · percent · GPT-5.2 Pro (High)
Overall ResultCounted from the protocol-matched rows above1 benchmark winNo overall winner1 benchmark winNo overall winner

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

Side-by-Side Facts

FieldDeepSeek-V4-FlashGPT-5.2 Pro
DeveloperDeepSeekOpenAI
FamilyDeepseek V4 FlashGpt 5 2
ModelDeepSeek-V4-FlashGPT-5.2 Pro
VersionDeepSeek-V4-FlashGPT-5.2 Pro
Lifecycleretiredactive
Released2026-04-242025-12-11
Knowledge cutoffUnknown2025-08-31
Input modalitiesTextText, Image
Output modalitiesTextText
Context window1,049K400K
Total parameters290.9BUnknown
Active parameters13BUnknown
LicensemitUnknown
Open weightsYesNo
API availableYesYes
Self-hostableYesNo
Provider accessDeepSeek (Standard), Deepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard)Openai (Standard), Openrouter (Standard)
Capabilitieschat, generation, reasoningchat, generation, reasoning, structured_outputs, tools

DeepSeek V4 Flash Capabilities

chatgenerationreasoning
Serving providers5
Canonical IDdeepseek-ai/DeepSeek-V4-Flash

GPT-5.2 Pro Capabilities

chatgenerationreasoningstructured outputstools
Serving providers2
Canonical IDopenai/gpt-5.2-pro

Primary Evidence

Sources and Freshness

Questions

DeepSeek V4 Flash vs GPT-5.2 Pro FAQs

Is DeepSeek V4 Flash or GPT-5.2 Pro better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both DeepSeek V4 Flash and GPT-5.2 Pro, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, DeepSeek V4 Flash or GPT-5.2 Pro?+

DeepSeek V4 Flash is $0.0868 and GPT-5.2 Pro is $21.00 per million tokens, so DeepSeek V4 Flash is cheaper on this metric. DeepSeek V4 Flash is $0.1736 and GPT-5.2 Pro is $168.00 per million tokens, so DeepSeek V4 Flash is cheaper on this metric.

Which has a larger context window, DeepSeek V4 Flash or GPT-5.2 Pro?+

DeepSeek V4 Flash has the larger sourced context window. DeepSeek V4 Flash supports 1,049K and GPT-5.2 Pro supports 400K.

Which performs better in benchmarks, DeepSeek V4 Flash or GPT-5.2 Pro?+

There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.

Can DeepSeek V4 Flash or GPT-5.2 Pro be self-hosted?+

DeepSeek V4 Flash is the only model in this pair currently marked as self-hostable. DeepSeek V4 Flash is open weight; GPT-5.2 Pro is not marked open weight.

Can DeepSeek V4 Flash and GPT-5.2 Pro understand images?+

DeepSeek V4 Flash is not documented with image input; GPT-5.2 Pro is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, DeepSeek V4 Flash or GPT-5.2 Pro?+

Neither has a larger sourced maximum output. DeepSeek V4 Flash is — and GPT-5.2 Pro is 128K.

Do DeepSeek V4 Flash and GPT-5.2 Pro support reasoning and tool use?+

DeepSeek V4 Flash: reasoning. GPT-5.2 Pro: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Which is available from more inference providers, DeepSeek V4 Flash or GPT-5.2 Pro?+

DeepSeek V4 Flash has 5 sourced provider routes; GPT-5.2 Pro has 2, so DeepSeek V4 Flash has broader tracked availability.

Which offers better value, DeepSeek V4 Flash or GPT-5.2 Pro?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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