Free AI platform comparison

ChatGPT (OpenAI) vs Doubao (ByteDance): Complete Comparison

ChatGPT (OpenAI) 和 豆包 (字节跳动) 深度对比:免费额度、API 价格、模型能力、中国大陆可用性,帮你选最合适的 AI 工具

Quick decision

ChatGPT (OpenAI) vs Doubao (ByteDance): Complete Comparison: pricing, free API, and limits

Quick answer: choose ChatGPT (OpenAI) if its free tier, model family, or ecosystem fits your app better; choose Doubao (ByteDance) 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 tierChatGPT (OpenAI): Limited requests/day · Doubao (ByteDance): No explicit limit
Free APINo vs 50万 tokens
Best checkCredits, rate limits, setup friction
DecisionTest both if rank, latency, or access matters
ChatGPT (OpenAI)

ChatGPT (OpenAI)

55pts
1 wins
VS
👑Doubao (ByteDance)

Doubao (ByteDance)

75pts
1 wins

🏆 Overall, Doubao (ByteDance) offers more free value (1/6 categories)

📊 Side-by-Side

Category
ChatGPT (OpenAI)
Doubao (ByteDance)
Free Tier
✅ Limited requests/day
✅ No explicit limit
Free API
❌ None
✅ 50万 tokens
Rate Limit
N/A
5 RPM
Open Source
❌ No
❌ No
Free Models
6
4
GitHub Stars
-
-

🧠 Model Details

ChatGPT (OpenAI)6 models
GPT-5.5
📐 1000k⚡ Plus/Pro only
Released April 2026, smartest model, major upgrade for coding/research/analysis. API $5/M input, $30/M output
GPT-5.5-Cyber
📐 1000k⚡ Trusted Access / enterprise-limited
GPT-5.5 variant for trusted-access cybersecurity use cases, including security evaluation, vulnerability analysis, and defensive workflows; availability is gated through OpenAI trusted access.
GPT-5.5 Pro
📐 1050k⚡ Pro only
Deep reasoning variant for complex high-stakes tasks. API $30/M input, $180/M output
GPT-5.4
📐 128k⚡ Plus/Pro
Previous flagship, still powerful
GPT-4o mini
📐 128k⚡ Rate limited
Available to free users, fast
GPT-4o
📐 128k⚡ Very limited
Very limited for free users
Doubao (ByteDance)4 models
Seed 2.0 Pro
📐 128k⚡ Fair use
Flagship all-rounder, close to DeepSeek V3
Seed 2.0 Code
📐 128k⚡ Fair use
Coding-focused, surpasses DeepSeek V3 in coding
Seed 2.0 Mini
📐 128k⚡ Fair use
Ultra-fast and cheap, ¥0.3/M tokens, almost free
Seed 2.0 Lite
📐 128k⚡ Fair use
Balanced version, good value

🎯 Which should you choose?

Choose ChatGPT (OpenAI) if…

you want Limited requests/day on the free tier.

Choose Doubao (ByteDance) if…

you want No explicit limit on the free tier, plus 50万 tokens for API tests.

FAQ

Which is better, ChatGPT (OpenAI) or Doubao (ByteDance)?

Doubao (ByteDance) 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 ChatGPT (OpenAI) have a free tier?

Yes. ChatGPT (OpenAI) lists Limited requests/day for free users.

Does Doubao (ByteDance) have a free tier?

Yes. Doubao (ByteDance) lists No explicit limit for free users.

Which one is better for API experiments?

ChatGPT (OpenAI) has no clearly listed free API credits; Doubao (ByteDance) offers 50万 tokens. 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
chatgpt-vs-doubao
ChatGPT (OpenAI) source
https://chat.openai.com
Doubao (ByteDance) source
https://www.doubao.com
Dataset freshness
ChatGPT (OpenAI): 2026-06-15 · Doubao (ByteDance): 2026-06-15
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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