Model Comparison

V2.5 (Dec '24)
vs. V4 Pro (Non-reasoning)

Comparing 2 AI models · 8 benchmarks · DeepSeek

Recommended Pick

DeepSeek logo V2.5 (Dec '24) 5 metric wins

Strongest on: Input price, Output price, TTFT

Lowest Price

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V2.5 (Dec '24)

$0.00/1M input price

Best Reasoning

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V2.5 (Dec '24)

44.4 reasoning score

Blends available reasoning benchmarks

Best for Coding

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V4 Pro (Non-reasoning)

38.4 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Price gap

V2.5 (Dec '24) is ∞x cheaper on input tokens than V4 Pro (Non-reasoning).

Reasoning gap

V2.5 (Dec '24) leads V4 Pro (Non-reasoning) by 4.8 points on reasoning.

Top-pick rationale

V2.5 (Dec '24) wins 5 measurable categories, including Input price, Output price, TTFT, Latency.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

DeepSeek logo

V2.5 (Dec '24)

DeepSeek

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
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V4 Pro (Non-reasoning)

DeepSeek

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
Top Pick
DeepSeek logo V2.5 (Dec '24)
DeepSeek
DeepSeek logo V4 Pro (Non-reasoning)
DeepSeek
Pricing per 1M tokens
Input Cost $0.00/1M$0.43/1M
Output Cost $0.00/1M$0.87/1M
Blended (3:1) $0.54/1M
Specifications
Organization DeepSeekDeepSeek
Release Date Dec 10, 2024Apr 24, 2026
Performance & Speed
Throughput 55.0 tok/s
TTFT 1144ms
Latency 1144ms
Composite Indices
Value Score 100.0
Reasoning Score 44.439.6
Intelligence 12.539.3
Coding 38.4
Standard Benchmarks
GPQA 71.7%
HLE 7.7%
MATH 500 76.3%
SciCode 42.4%
LCR 45.0%
IFBench 45.8%
TAU-bench v2 91.2%
TerminalBench Hard 36.4%

Key Takeaways

V2.5 (Dec '24) offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.

V2.5 (Dec '24) has the strongest reasoning profile with a 44.4 reasoning score, combining the available reasoning-heavy benchmarks.

V4 Pro (Non-reasoning) reaches a 38.4 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

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V2.5 (Dec '24)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
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V4 Pro (Non-reasoning)

  • Code generation
  • Software development