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Claude Haiku 4.5 vs DeepSeek V3

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Haiku 4.5 and DeepSeek V3.

Anthropic

Claude Haiku 4.5

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...

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DeepSeek

DeepSeek V3

DeepSeek-V3 is the latest model from the DeepSeek team, building upon the instruction following and coding abilities of the previous versions. Pre-trained on nearly 15 trillion tokens, the reported evaluations...

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Technical Specifications

SpecificationClaude Haiku 4.5DeepSeek V3
ProviderAnthropicDeepSeek
Context Window200,000 tokens131,072 tokens
Agent Suitability87/100N/A
Time to First Token (TTFT)180 msN/A
Deployment Modelmanaged apiself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-10-152024-12-26

API Pricing Comparison

Input Price per Million Tokens

Claude Haiku 4.5

$1.00

DeepSeek V3

$0.20

Output Price per Million Tokens

Claude Haiku 4.5

$5.00

DeepSeek V3

$0.80

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
8480.0%vs8850.0%
Claude Haiku 4.5
DeepSeek V3
HumanEvalPython coding & logic synthesis
8600.0%vs8900.0%
Claude Haiku 4.5
DeepSeek V3
MATHComplex mathematical problem solving
7500.0%vs7460.0%
Claude Haiku 4.5
DeepSeek V3
GPQAGraduate-level expert reasoning
5500.0%vs4900.0%
Claude Haiku 4.5
DeepSeek V3
HellaSwagCommonsense reasoning and inference
9350.0%vs8750.0%
Claude Haiku 4.5
DeepSeek V3
MT-BenchMulti-turn conversation flow quality
890.0%vs918.0%
Claude Haiku 4.5
DeepSeek V3

Claude Haiku 4.5 Quirks & Gotchas

  • Fastest TTFT in the Claude lineup — ideal for real-time chat
  • Tool calling limited compared to Sonnet — best for simple classification and routing

DeepSeek V3 Quirks & Gotchas

No developer gotchas reported.