Claude 3.5 Haiku vs o1-preview Comparison

Comparing Claude 3.5 Haiku and o1-preview across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Claude 3.5 Haiku outperforms in 0 benchmarks, while o1-preview is better at 4 benchmarks (GPQA, MATH, MGSM, SWE-Bench Verified).

o1-preview significantly outperforms across most benchmarks.

Fri Mar 20 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Claude 3.5 Haiku costs less

For input processing, Claude 3.5 Haiku ($0.80/1M tokens) is 18.8x cheaper than o1-preview ($15.00/1M tokens).

For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 15.0x cheaper than o1-preview ($60.00/1M tokens).

In conclusion, o1-preview is more expensive than Claude 3.5 Haiku.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Fri Mar 20 2026 • llm-stats.com

Claude 3.5 Haiku

Input tokens$0.80

Output tokens$4.00

Best providerAWS Bedrock

o1-preview

Input tokens$15.00

Output tokens$60.00

Best providerOpenAI

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Context Window

Maximum input and output token capacity

Claude 3.5 Haiku accepts 200,000 input tokens compared to o1-preview's 128,000 tokens. Claude 3.5 Haiku can generate longer responses up to 200,000 tokens, while o1-preview is limited to 32,768 tokens.

Claude 3.5 Haiku

Input200,000 tokens

Output200,000 tokens

o1-preview

Input128,000 tokens

Output32,768 tokens

Fri Mar 20 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude 3.5 Haiku

Proprietary

Closed source

o1-preview

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Haiku was released on 2024-10-22, while o1-preview was released on 2024-09-12.

Claude 3.5 Haiku is 1 month newer than o1-preview.

Claude 3.5 Haiku

Oct 22, 2024

1.4 years ago

1mo newer

o1-preview

Sep 12, 2024

1.5 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude 3.5 Haiku is available from Bedrock, Google, Anthropic. o1-preview is available from OpenAI, Azure. The availability of providers can affect quality of the model and reliability.