Anthropic: Claude Haiku 4.5 vs OpenAI: o4 Mini High
Side-by-side comparison of Anthropic: Claude Haiku 4.5 and OpenAI: o4 Mini High. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
marginal confidenceOpenAI: o4 Mini High leads overall
OpenAI: o4 Mini High leads in price and max output, making it the stronger choice for most workflows. Anthropic: Claude Haiku 4.5 remains a solid alternative depending on your specific needs.
Best for with Anthropic: Claude Haiku 4.5
Best for with OpenAI: o4 Mini High
Side-by-side
Technical specifications
| Anthropic: Claude Haiku 4.5 | OpenAI: o4 Mini High | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input price | $1/M | $1/M |
| Output price | $5/M | $4/M |
| Context window | 200K | 200K |
| Max output | 64K | 100K |
| Capabilities | Tool useVisionReasoning | Tool useVisionReasoning |
| Released | Oct 15, 2025 | Apr 16, 2025 |
Scoring breakdown
How each dimension compares
Price
OpenAI: o4 Mini High leadsAnthropic: Claude Haiku 4.5
$5/M tokens
OpenAI: o4 Mini High
$4/M tokens
Context Window
Anthropic: Claude Haiku 4.5
200K tokens
OpenAI: o4 Mini High
200K tokens
Capabilities
Anthropic: Claude Haiku 4.5
3/4
OpenAI: o4 Mini High
3/4
Max Output
OpenAI: o4 Mini High leadsAnthropic: Claude Haiku 4.5
64K tokens
OpenAI: o4 Mini High
100K tokens
Recency
Anthropic: Claude Haiku 4.5
Oct 2025
OpenAI: o4 Mini High
Apr 2025
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