DeepSeek V4 Pro 0813 vs GPT-5.1

At a Glance

Compare
GPT-5.1OpenAI
Intelligence, Cost, and Efficiency
IntelligenceHigher is better · MM Intelligence v2.5#20 of 4665.0 score · 3/3 sources · complete#37 of 4625.7 score · 2/3 sources · provisional · missing LiveBench · full-core range 17.1–50.5
CostLower is better · Published-token output estimate#20 of 44$0.094 per LiveBench caseUnrankedNot in the 44-model eligible cohort
EfficiencyHigher is better · MM Efficiency v1.5#14 of 3857.4 score · 3/3 sources · completeUnrankedNot in the 38-model eligible cohort
Pricing and Limits
Input priceFrom · USD / 1M tokens$1.30Deepinfra · Sep 22, 2026$1.25Openai · Sep 3, 2026
Output priceFrom · USD / 1M tokens$2.60Deepinfra · Sep 22, 2026$10.00Openai · Sep 3, 2026
Context windowMaximum documented tokens1,049K400K
Model facts checkedSep 3, 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-Pro-0813GPT-5.1
ARC-AGI-1verified-v1-ba05d69f6453 · verified_score · leader90.50100% of row best · percent · DeepSeek V4 Pro 0813 (Low)72.8380% of row best · percent · GPT-5.1 (Thinking, High)
ARC-AGI-2verified-v2-6c676fa3e9af · verified_score · leader61.25100% of row best · percent · DeepSeek V4 Pro 0813 (Max)17.6429% of row best · percent · GPT-5.1 (Thinking, High)
LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader1,443.95100% of row best · rating · deepseek-v4-pro-high-20260813; 95% CI [1437.16050212, 1450.73220317]; votes 9008; rank 581,422.5799% of row best · rating · gpt-5.1; 95% CI [1418.95842118, 1426.18777801]; votes 42982; rank 100
ToneBench2026-09-11-10-task-4ef099199c9c · overall_score · unverified84.68100% of row best · points · DeepSeek V4 Pro 0813 (max) · 18,462 output tokens / case75.9890% of row best · points · GPT-5.1 · 3,970 output tokens / case
Overall ResultCounted from the protocol-matched rows above3 benchmark winsOverall lead0 benchmark wins

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-Pro-0813GPT-5.1
DeveloperDeepSeekOpenAI
FamilyDeepseek V4 ProGpt 5 1
ModelDeepSeek-V4-Pro-0813GPT-5.1
VersionDeepSeek-V4-Pro-0813GPT-5.1
Lifecycleactiveactive
Released2026-08-132025-11-13
Knowledge cutoffUnknown2024-09-30
Input modalitiesTextText, Image
Output modalitiesTextText
Context window1,049K400K
Total parameters1.6TUnknown
Active parameters49BUnknown
LicensemitUnknown
Open weightsYesNo
API availableYesYes
Self-hostableYesNo
Provider accessDeepinfra (Standard), Fireworks Ai (Standard), Together Ai (Standard)Openai (Standard), Openrouter (Standard)
Capabilitiesagents, chat, coding, generation, reasoning, toolschat, generation, reasoning, structured_outputs, tools

DeepSeek V4 Pro 0813 Capabilities

agentschatcodinggenerationreasoningtools
Serving providers3
Canonical IDdeepseek-ai/DeepSeek-V4-Pro-0813

GPT-5.1 Capabilities

chatgenerationreasoningstructured outputstools
Serving providers2
Canonical IDopenai/gpt-5.1

Primary Evidence

Sources and Freshness

Questions

DeepSeek V4 Pro 0813 vs GPT-5.1 FAQs

Is DeepSeek V4 Pro 0813 or GPT-5.1 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both DeepSeek V4 Pro 0813 and GPT-5.1, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, DeepSeek V4 Pro 0813 or GPT-5.1?+

DeepSeek V4 Pro 0813 is $1.30 and GPT-5.1 is $1.25 per million tokens, so GPT-5.1 is cheaper on this metric. DeepSeek V4 Pro 0813 is $2.60 and GPT-5.1 is $10.00 per million tokens, so DeepSeek V4 Pro 0813 is cheaper on this metric.

Which has a larger context window, DeepSeek V4 Pro 0813 or GPT-5.1?+

DeepSeek V4 Pro 0813 has the larger sourced context window. DeepSeek V4 Pro 0813 supports 1,049K and GPT-5.1 supports 400K.

Which performs better in benchmarks, DeepSeek V4 Pro 0813 or GPT-5.1?+

DeepSeek V4 Pro 0813 leads the current overall benchmark count. The result uses 3 protocol-matched benchmarks from 2 publishers; it is not a universal quality score.

Can DeepSeek V4 Pro 0813 or GPT-5.1 be self-hosted?+

DeepSeek V4 Pro 0813 is the only model in this pair currently marked as self-hostable. DeepSeek V4 Pro 0813 is open weight; GPT-5.1 is not marked open weight.

Can DeepSeek V4 Pro 0813 and GPT-5.1 understand images?+

DeepSeek V4 Pro 0813 is not documented with image input; GPT-5.1 is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, DeepSeek V4 Pro 0813 or GPT-5.1?+

Neither has a larger sourced maximum output. DeepSeek V4 Pro 0813 is — and GPT-5.1 is 128K.

Do DeepSeek V4 Pro 0813 and GPT-5.1 support reasoning and tool use?+

DeepSeek V4 Pro 0813: reasoning and tool calling. GPT-5.1: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Which is available from more inference providers, DeepSeek V4 Pro 0813 or GPT-5.1?+

DeepSeek V4 Pro 0813 has 3 sourced provider routes; GPT-5.1 has 2, so DeepSeek V4 Pro 0813 has broader tracked availability.

Which offers better value, DeepSeek V4 Pro 0813 or GPT-5.1?+

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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