In-Depth Comparison: DeepSeek-V4-Pro vs GPT-5.4
When choosing between DeepSeek-V4-Pro (by DeepSeek) and GPT-5.4 (by OpenAI), developers must weigh API pricing and context window limits.
DeepSeek-V4-Pro offers a context window of 1,000,000 tokens at an input cost of $0.435 per 1M tokens. On the other hand, GPT-5.4 provides a 128,000 token context window, priced at $2.5 per 1M input tokens. This helps developers find the best balance between performance and budget.
Frequently Asked Questions
- Which is cheaper: DeepSeek-V4-Pro or GPT-5.4?
- DeepSeek-V4-Pro charges $0.435 per 1M input tokens, whereas GPT-5.4 charges $2.5. For output, DeepSeek-V4-Pro is $0.87 vs $15 for GPT-5.4.
- What is the context window difference between DeepSeek-V4-Pro and GPT-5.4?
- DeepSeek-V4-Pro offers a context window of 1,000,000 tokens. In comparison, GPT-5.4 supports up to 128,000 tokens.
- Who provides DeepSeek-V4-Pro and GPT-5.4?
- DeepSeek-V4-Pro is provided by DeepSeek, and GPT-5.4 is developed by OpenAI.