Side-by-side comparison
Claude Haiku 4.5 vs GPT-5.4 Mini
Anthropic
Claude Haiku 4.5
👁 Vision
🔧 Tools
{} JSON
Input / 1M
$1.0000
Output / 1M
$5.0000
OpenAI
GPT-5.4 Mini
👁 Vision
🔧 Tools
{} JSON
Input / 1M
$0.7500
Output / 1M
$4.5000
| Claude Haiku 4.5 | GPT-5.4 Mini | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context window Maximum tokens (input + output) the model can process in a single request. Glossary → | 200,000 | 400,000 |
| Capabilities Optional capabilities the model advertises: vision (images), tools (function calling), json_mode (structured output). | vision, tools, json_mode | vision, tools, json_mode |
| Input $ / 1M tokens Cost for tokens you send (prompt + context). Cheaper side highlighted. Glossary → | 1.0000 | 0.7500 |
| Output $ / 1M tokens Cost for tokens the model generates. Output is normally 3–5× pricier than input. Glossary → | 5.0000 | 4.5000 |
Frequently asked questions
Which is cheaper, Claude Haiku 4.5 or GPT-5.4 Mini?
GPT-5.4 Mini is cheaper than Claude Haiku 4.5 on a 50/50 input/output blend by about $0.375 per 1M tokens. Exact savings depend on your input-vs-output ratio — use the cost calculator on this page for a workload-specific estimate.
Which has a larger context window, Claude Haiku 4.5 or GPT-5.4 Mini?
GPT-5.4 Mini has the larger context window at 400k tokens versus 200k tokens for Claude Haiku 4.5. That means GPT-5.4 Mini can ingest about 2.0x as much text per request.
What is the difference between Claude Haiku 4.5 and GPT-5.4 Mini?
Claude Haiku 4.5 comes from Anthropic; GPT-5.4 Mini comes from OpenAI. They differ in pricing, context window, and supported capabilities — see the side-by-side table on this page for the exact figures, refreshed nightly.