Anthropic: Claude 3.5 Haiku vs OpenAI: o3
Side-by-side comparison of Anthropic: Claude 3.5 Haiku and OpenAI: o3. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceOpenAI: o3 leads overall
OpenAI: o3 leads in capabilities and max output, making it the stronger choice for most workflows. Anthropic: Claude 3.5 Haiku remains competitive with advantages in price.
Best for with Anthropic: Claude 3.5 Haiku
Best for with OpenAI: o3
Side-by-side
Technical specifications
| Anthropic: Claude 3.5 Haiku | OpenAI: o3 | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input price | $0.80/M | $2/M |
| Output price | $4/M | $8/M |
| Context window | 200K | 200K |
| Max output | 8K | 100K |
| Capabilities | Tool useVision | Tool useVisionReasoning |
| Released | Nov 3, 2024 | Apr 16, 2025 |
Scoring breakdown
How each dimension compares
Price
Anthropic: Claude 3.5 Haiku leadsAnthropic: Claude 3.5 Haiku
$4/M tokens
OpenAI: o3
$8/M tokens
Context Window
Anthropic: Claude 3.5 Haiku
200K tokens
OpenAI: o3
200K tokens
Capabilities
OpenAI: o3 leadsAnthropic: Claude 3.5 Haiku
2/4
OpenAI: o3
3/4
Max Output
OpenAI: o3 leadsAnthropic: Claude 3.5 Haiku
8K tokens
OpenAI: o3
100K tokens
Recency
Anthropic: Claude 3.5 Haiku
Nov 2024
OpenAI: o3
Apr 2025
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