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GPT-4.1 Mini vs DeepSeek V3.1

Detailed technical comparison between GPT-4.1 Mini (OpenAI) and DeepSeek V3.1 (DeepSeek). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

GPT-4.1 Mini: 0 WinsvsDeepSeek V3.1: 6 Wins
Context Leader

GPT-4.1 Mini

1,047,576 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

DeepSeek V3.1

$0.25 / MTok
OpenAIactive

GPT-4.1 Mini

GPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost. It retains a 1 million token context window and scores 45.1% on hard...

View GPT-4.1 Mini Full Specs →
DeepSeekactive

DeepSeek V3.1

DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...

View DeepSeek V3.1 Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGPT-4.1 MiniDeepSeek V3.1
ProviderOpenAIDeepSeek
Context Window1,047,576 tokens🏆163,840 tokens
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelmanaged apiself hostable
Production StabilityBeta Access (est.)Stable GA (est.)
API AvailableYesYes
Released Date2025-04-142025-08-21

API Pricing Comparison

Input Price per Million Tokens

GPT-4.1 Mini

$0.40

DeepSeek V3.1

$0.25

Output Price per Million Tokens

GPT-4.1 Mini

$1.60

DeepSeek V3.1

$0.95

💡 Cost Ratio: DeepSeek V3.1 is 1.6x cheaper per input token than GPT-4.1 Mini.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

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Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
74.6%vs80.0%+5.4% DeepSeek V3.1
GPT-4.1 Mini
DeepSeek V3.1 🏆
HumanEvalPython coding & logic synthesis
70.8%vs78.2%+7.4% DeepSeek V3.1
GPT-4.1 Mini
DeepSeek V3.1 🏆
MATHComplex mathematical problem solving
44.0%vs55.4%+11.4% DeepSeek V3.1
GPT-4.1 Mini
DeepSeek V3.1 🏆
GPQAGraduate-level expert reasoning
31.4%vs40.8%+9.4% DeepSeek V3.1
GPT-4.1 Mini
DeepSeek V3.1 🏆
HellaSwagCommonsense reasoning and inference
78.6%vs83.0%+4.4% DeepSeek V3.1
GPT-4.1 Mini
DeepSeek V3.1 🏆
MT-BenchMulti-turn conversation flow quality
8.1%vs8.6%+0.4% DeepSeek V3.1
GPT-4.1 Mini
DeepSeek V3.1 🏆

GPT-4.1 Mini Quirks & Gotchas

No developer gotchas reported.

DeepSeek V3.1 Quirks & Gotchas

No developer gotchas reported.

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