Free AI platform comparison

DeepSeek vs Perplexity AI: Complete Comparison

DeepSeek 和 Perplexity AI 深度对比：免费额度、API 价格、模型能力、国内可用性，帮你选最合适的 AI 工具

Quick decision

DeepSeek vs Perplexity AI: Complete Comparison: pricing, free API, and limits

Quick answer: choose DeepSeek if its free tier, model family, or ecosystem fits your app better; choose Perplexity AI if it gives better free API credits, pricing, or access for your workflow. This comparison focuses on free tier, API pricing, limits, setup, and practical alternatives.

Free tierDeepSeek: 50 requests/day · Perplexity AI: No limit (basic search)

Free API$5 vs No

Best checkCredits, rate limits, setup friction

DecisionTest both if rank, latency, or access matters

DeepSeek detailsFree tier, API credits, limits and setup Perplexity AI detailsFree tier, API credits, limits and setup Free AI API directoryCompare all free credits and limits

👑

DeepSeek

95pts

3 wins

Perplexity AI

40pts

0 wins

🏆 Overall, DeepSeek offers more free value (3/6 categories)

📊 Side-by-Side

🧠 Model Details

DeepSeek4 models

DeepSeek-V4-Pro

📐 1000k⚡ Rate limited

Released April 2026, 1.6T param MoE (49B active), 1M context, thinking/non-thinking modes

DeepSeek-V4-Flash

📐 1000k⚡ Rate limited

Lightweight V4, 284B params (13B active), 1M context, excellent value

DeepSeek-V3

📐 64k⚡ 50 RPD

Previous flagship, still available

DeepSeek-R1

📐 64k⚡ 50 RPD

Reasoning model, strong at math/code

Perplexity AI2 models

Perplexity Default

📐 32k⚡ Fair use

AI search engine, real-time web access

Pro Search

📐 32k⚡ 5/day free

Deep search, 5 per day for free users

🎯 Which should you choose?

Choose DeepSeek if…

you want 50 requests/day on the free tier, plus $5 for API tests.

Choose Perplexity AI if…

you want No limit (basic search) on the free tier.

FAQ

Which is better, DeepSeek or Perplexity AI?

DeepSeek scores higher in this free-tier comparison because it wins more of the measured categories. Still, the best choice depends on your exact needs: free chat access, API credits, open-source models, or rate limits.

Does DeepSeek have a free tier?

Yes. DeepSeek lists 50 requests/day for free users.

Does Perplexity AI have a free tier?

Yes. Perplexity AI lists No limit (basic search) for free users.

Which one is better for API experiments?

DeepSeek offers $5; Perplexity AI has no clearly listed free API credits. Choose the option with enough credits and rate limits for your prototype.

Source snapshot

Data source: yangmao.ai provider YAML tracker plus curated comparison notes. Official dashboards can change credits, limits, model availability, and pricing without notice; verify in the provider console before production.

yangmao.ai comparison slug: deepseek-vs-perplexity
DeepSeek source: https://platform.deepseek.com
Perplexity AI source: https://www.perplexity.ai
Dataset freshness: DeepSeek: 2026-06-05 · Perplexity AI: 2026-06-05
Decision data: Free tier, API credits, rate limits, model list, China access notes, and curated comparison dimensions from the yangmao.ai provider tracker.

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