GPT-5.4 Mini vs Claude Haiku 4.5

Price & specs

Per 1M tokens, base rates from your credit balance — no usage markup. Prices load live from our catalogue.

When to pick each

GPT-5.4 Mini

Best for fast, low-cost inference at scale. Context up to 400K tokens. GPT-5.4 Mini details →

Claude Haiku 4.5

Best for fast, low-cost inference at scale. Context up to 200K tokens. Claude Haiku 4.5 details →

Test both with one change

Because Zylo is OpenAI-compatible, comparing them is a one-string change.

for model in ["gpt-5.4-mini", "claude-haiku-4.5"]:
    r = client.chat.completions.create(
        model=model,
        messages=[{"role": "user", "content": "Summarize this in one line."}],
    )
    print(model, "->", r.choices[0].message.content)

Frequently asked questions