Claude 3.5 Haiku vs o1-preview
o1-preview leads the LLM Stats Score 16.8 to 5.4. Claude 3.5 Haiku is 16.4x cheaper per token.
Anthropic · OpenAI · Updated for 2026
Which is better?
o1-preview leads the overall LLM Stats Score 16.8 to 5.4, ranking #207 overall.
In the 4 individual benchmarks reported for both models, o1-preview wins 4; this is a narrower head-to-head signal than the composite indexes.
On price, Claude 3.5 Haiku is roughly 16.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude 3.5 Haiku also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude 3.5 Haiku
- cost matters — it's about 16.4x cheaper per token
- you process long inputs — it offers a 200,000 token context window
- you want the most recent training data — it shipped Oct 2024
Choose o1-preview
- overall performance matters — it scores 16.8 and ranks #207 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 4 of 4 exact shared results
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for Claude 3.5 Haiku · 8 for o1-preview
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.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
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
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.
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
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.
Oct 22, 2024
1.9 years ago
1mo newerSep 12, 2024
2.0 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3.5 Haiku is available from Bedrock, Google, Anthropic. o1-preview is available from OpenAI, Azure.
Claude 3.5 Haiku
o1-preview
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3.5 Haiku and o1-preview side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3.5 Haiku vs o1-preview.