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Claude 3 Haiku vs o4-mini

o4-mini leads the LLM Stats Score 27.4 to -1.5. Claude 3 Haiku is 3.9x cheaper per token.

Anthropic · OpenAI · Updated for 2026

Which is better?

o4-mini leads the overall LLM Stats Score 27.4 to -1.5, ranking #159 overall.

In the 1 individual benchmarks reported for both models, o4-mini wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Claude 3 Haiku is roughly 3.9x 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 Haiku

  • cost matters — it's about 3.9x cheaper per token

Choose o4-mini

  • overall performance matters — it scores 27.4 and ranks #159 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Apr 2025

At a glance

The differences that matter most.

Core performance indexes
-1.5
#351
27.4
#159
-1.5
#344
27.4
#150
0.6
#253
11.8
#165
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.25 / M
$1.10 / M
Output price
$1.25 / M
$4.40 / M
Context window
200,000
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3 Haiku
o4-mini
4.3#289
27.6#101
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

10 reported for Claude 3 Haiku · 14 for o4-mini

1 shared

Claude 3 Haiku outperforms in 0 benchmarks, while o4-mini is better at 1 benchmark (GPQA).

o4-mini significantly outperforms across most benchmarks.

Sun Oct 11 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 4.4x cheaper than o4-mini ($1.10/1M tokens).

For output processing, Claude 3 Haiku ($1.25/1M tokens) is 3.5x cheaper than o4-mini ($4.40/1M tokens).

In conclusion, o4-mini is more expensive than Claude 3 Haiku.*

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

Lowest available price from all providers
Sun Oct 11 2026 • llm-stats.com
Anthropic
Claude 3 Haiku
Input tokens$0.25
Output tokens$1.25
Best providerAnthropic
OpenAI
o4-mini
Input tokens$1.10
Output tokens$4.40
Best providerOpenAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 200,000 tokens. Claude 3 Haiku can generate longer responses up to 200,000 tokens, while o4-mini is limited to 100,000 tokens.

Anthropic
Claude 3 Haiku
Input200,000 tokens
Output200,000 tokens
OpenAI
o4-mini
Input200,000 tokens
Output100,000 tokens
Sun Oct 11 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude 3 Haiku and o4-mini support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude 3 Haiku

Text
Images
Audio
Video

o4-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

o4-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Haiku was released on 2024-03-13, while o4-mini was released on 2025-04-16.

o4-mini is 13 months newer than Claude 3 Haiku.

Claude 3 Haiku

Mar 13, 2024

2.6 years ago

o4-mini

Apr 16, 2025

1.5 years ago

1.1yr newer

Knowledge Cutoff

When training data ends

o4-mini has a documented knowledge cutoff of 2024-05-31, while Claude 3 Haiku's cutoff date is not specified.

We can confirm o4-mini's training data extends to 2024-05-31, but cannot make a direct comparison without Claude 3 Haiku's cutoff date.

Claude 3 Haiku

—

o4-mini

May 2024

Provider Availability

Claude 3 Haiku is available from Anthropic, Bedrock, Google. o4-mini is available from OpenAI.

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

o4-mini

openai logo
OpenAI
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude 3 Haiku and o4-mini side-by-side, then vote on the output you prefer.

Claude 3 Haiku
✓ Preferred
o4-mini
Open in Playground

FAQ

Common questions about Claude 3 Haiku vs o4-mini.

Which is better, Claude 3 Haiku or o4-mini?

o4-mini leads the LLM Stats Score 27.4 to -1.5. Claude 3 Haiku is made by Anthropic and o4-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 o4-mini in benchmarks?

Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%. o4-mini scores AIME 2024: 93.4%, AIME 2025: 92.7%, MathVista: 84.3%, MMMU: 81.6%, GPQA: 81.4%.

Is Claude 3 Haiku cheaper than o4-mini?

Claude 3 Haiku is 4.4x cheaper for input tokens. Claude 3 Haiku costs $0.25/M input and $1.25/M output via anthropic. o4-mini costs $1.10/M input and $4.40/M output via openai.

What are the context window sizes for Claude 3 Haiku and o4-mini?

Claude 3 Haiku supports 200K tokens and o4-mini supports 200K 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 o4-mini?

Key differences include LLM Stats Score (-1.5 vs 27.4), input pricing ($0.25 vs $1.10/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Haiku and o4-mini?

Claude 3 Haiku is developed by Anthropic and o4-mini is developed by OpenAI.