Claude 3.5 Haiku vs o1
o1 leads the LLM Stats Score 21.2 to 5.4. Claude 3.5 Haiku is 16.4x cheaper per token.
Anthropic · OpenAI · Updated for 2026
Which is better?
o1 leads the overall LLM Stats Score 21.2 to 5.4, ranking #177 overall.
In the 7 individual benchmarks reported for both models, o1 wins 7; 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.
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
Choose o1
- overall performance matters — it scores 21.2 and ranks #177 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 7 of 7 exact shared results
- you want the most recent training data — it shipped Dec 2024
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 · 19 for o1
Claude 3.5 Haiku outperforms in 0 benchmarks, while o1 is better at 6 benchmarks (GPQA, MATH, MGSM, SWE-Bench Verified, TAU-bench Airline, TAU-bench Retail).
o1 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 ($15.00/1M tokens).
For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 15.0x cheaper than o1 ($60.00/1M tokens).
In conclusion, o1 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
Both models have the same input context window of 200,000 tokens. Claude 3.5 Haiku can generate longer responses up to 200,000 tokens, while o1 is limited to 100,000 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 was released on 2024-12-17.
o1 is 2 months newer than Claude 3.5 Haiku.
Oct 22, 2024
1.9 years ago
Dec 17, 2024
1.7 years ago
1mo newerKnowledge 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 is available from Azure, OpenAI.
Claude 3.5 Haiku
o1
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3.5 Haiku and o1 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3.5 Haiku vs o1.