In-Depth Comparison: GPT-5.4 vs Claude Haiku 4.5
When choosing between GPT-5.4 (by OpenAI) and Claude Haiku 4.5 (by Anthropic), developers must weigh API pricing and context window limits.
GPT-5.4 offers a context window of 128,000 tokens at an input cost of $2.5 per 1M tokens. On the other hand, Claude Haiku 4.5 provides a 200,000 token context window, priced at $1 per 1M input tokens. This helps developers find the best balance between performance and budget.
Frequently Asked Questions
- Which is cheaper: GPT-5.4 or Claude Haiku 4.5?
- GPT-5.4 charges $2.5 per 1M input tokens, whereas Claude Haiku 4.5 charges $1. For output, GPT-5.4 is $15 vs $5 for Claude Haiku 4.5.
- What is the context window difference between GPT-5.4 and Claude Haiku 4.5?
- GPT-5.4 offers a context window of 128,000 tokens. In comparison, Claude Haiku 4.5 supports up to 200,000 tokens.
- Who provides GPT-5.4 and Claude Haiku 4.5?
- GPT-5.4 is provided by OpenAI, and Claude Haiku 4.5 is developed by Anthropic.