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Claude 3 Haiku vs o1-mini

o1-mini leads the LLM Stats Score 10.2 to -1.2. Claude 3 Haiku is 10.5x cheaper per token.

Anthropic · OpenAI · Updated for 2026

Which is better?

o1-mini leads the overall LLM Stats Score 10.2 to -1.2, ranking #250 overall.

In the 3 individual benchmarks reported for both models, o1-mini wins 3; this is a narrower head-to-head signal than the composite indexes.

On price, Claude 3 Haiku is roughly 10.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude 3 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 Haiku

  • cost matters — it's about 10.5x cheaper per token
  • you process long inputs — it offers a 200,000 token context window

Choose o1-mini

  • overall performance matters — it scores 10.2 and ranks #250 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results
  • you want the most recent training data — it shipped Sep 2024

At a glance

The differences that matter most.

Core performance indexes
-1.2
#318
10.2
#250
-1.3
#311
10.4
#244
0.7
#225
14.5
#121
Cost, coverage & limits
Benchmark wins
0 of 3
3 of 3
Input price
$0.25 / M
$3.00 / M
Output price
$1.25 / M
$12.00 / M
Context window
200,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3 Haiku
o1-mini
4.7#271
11.0#237
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

10 reported for Claude 3 Haiku · 6 for o1-mini

3 shared

Claude 3 Haiku outperforms in 0 benchmarks, while o1-mini is better at 3 benchmarks (GPQA, HumanEval, MMLU).

o1-mini significantly outperforms across most benchmarks.

Tue Sep 01 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Claude 3 Haiku costs less

For input processing, Claude 3 Haiku ($0.25/1M tokens) is 12.0x cheaper than o1-mini ($3.00/1M tokens).

For output processing, Claude 3 Haiku ($1.25/1M tokens) is 9.6x cheaper than o1-mini ($12.00/1M tokens).

In conclusion, o1-mini is more expensive than Claude 3 Haiku.*

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

Lowest available price from all providers
Tue Sep 01 2026 • llm-stats.com
Anthropic
Claude 3 Haiku
Input tokens$0.25
Output tokens$1.25
Best providerAnthropic
OpenAI
o1-mini
Input tokens$3.00
Output tokens$12.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Claude 3 Haiku accepts 200,000 input tokens compared to o1-mini's 128,000 tokens. Claude 3 Haiku can generate longer responses up to 200,000 tokens, while o1-mini is limited to 65,536 tokens.

Anthropic
Claude 3 Haiku
Input200,000 tokens
Output200,000 tokens
OpenAI
o1-mini
Input128,000 tokens
Output65,536 tokens
Tue Sep 01 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude 3 Haiku supports multimodal inputs, whereas o1-mini does not.

Claude 3 Haiku can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3 Haiku

Text
Images
Audio
Video

o1-mini

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude 3 Haiku

Proprietary

Closed source

o1-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Haiku was released on 2024-03-13, while o1-mini was released on 2024-09-12.

o1-mini is 6 months newer than Claude 3 Haiku.

Claude 3 Haiku

Mar 13, 2024

2.5 years ago

o1-mini

Sep 12, 2024

2.0 years ago

6mo newer

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 Haiku is available from Anthropic, Bedrock, Google. o1-mini is available from OpenAI, Azure.

Claude 3 Haiku

anthropic logo
Anthropic
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
bedrock logo
AWS Bedrock
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
google logo
Google
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M

o1-mini

openai logo
OpenAI
Input Price:Input: $3.00/1MOutput Price:Output: $12.00/1M
azure logo
Azure
Input Price:Input: $3.30/1MOutput Price:Output: $13.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Claude 3 Haiku and o1-mini side-by-side, then vote on the output you prefer.

Claude 3 Haiku
✓ Preferred
o1-mini
Open in Playground

FAQ

Common questions about Claude 3 Haiku vs o1-mini.

Which is better, Claude 3 Haiku or o1-mini?

o1-mini leads the LLM Stats Score 10.2 to -1.2. Claude 3 Haiku is made by Anthropic and o1-mini is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude 3 Haiku compare to o1-mini in benchmarks?

Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%. o1-mini scores HumanEval: 92.4%, MATH-500: 90.0%, MMLU: 85.2%, SuperGLUE: 75.0%, GPQA: 60.0%.

Is Claude 3 Haiku cheaper than o1-mini?

Claude 3 Haiku is 12.0x cheaper for input tokens. Claude 3 Haiku costs $0.25/M input and $1.25/M output via anthropic. o1-mini costs $3.00/M input and $12.00/M output via openai.

What are the context window sizes for Claude 3 Haiku and o1-mini?

Claude 3 Haiku supports 200K tokens and o1-mini supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3 Haiku and o1-mini?

Key differences include LLM Stats Score (-1.2 vs 10.2), context window (200K vs 128K), input pricing ($0.25 vs $3.00/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Haiku and o1-mini?

Claude 3 Haiku is developed by Anthropic and o1-mini is developed by OpenAI.