Model Comparison

Claude 3.5 Haiku vs o4-mini

o4-mini significantly outperforms across most benchmarks. Claude 3.5 Haiku is 1.2x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Claude 3.5 Haiku outperforms in 0 benchmarks, while o4-mini is better at 4 benchmarks (GPQA, SWE-Bench Verified, TAU-bench Airline, TAU-bench Retail).

o4-mini significantly outperforms across most benchmarks.

Fri May 15 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 1.4x cheaper than o4-mini ($1.10/1M tokens).

For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 1.1x cheaper than o4-mini ($4.40/1M tokens).

In conclusion, o4-mini 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 May 15 2026 • llm-stats.com
Anthropic
Claude 3.5 Haiku
Input tokens$0.80
Output tokens$4.00
Best providerAWS Bedrock
OpenAI
o4-mini
Input tokens$1.10
Output tokens$4.40
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

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 o4-mini is limited to 100,000 tokens.

Anthropic
Claude 3.5 Haiku
Input200,000 tokens
Output200,000 tokens
OpenAI
o4-mini
Input200,000 tokens
Output100,000 tokens
Fri May 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

o4-mini supports multimodal inputs, whereas Claude 3.5 Haiku does not.

o4-mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3.5 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 3.5 Haiku

Proprietary

Closed source

o4-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Haiku was released on 2024-10-22, while o4-mini was released on 2025-04-16.

o4-mini is 6 months newer than Claude 3.5 Haiku.

Claude 3.5 Haiku

Oct 22, 2024

1.6 years ago

o4-mini

Apr 16, 2025

1.1 years ago

5mo newer

Knowledge Cutoff

When training data ends

o4-mini has a documented knowledge cutoff of 2024-05-31, while Claude 3.5 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 3.5 Haiku's cutoff date.

Claude 3.5 Haiku

—

o4-mini

May 2024

Provider Availability

Claude 3.5 Haiku is available from Bedrock, Google, Anthropic. o4-mini is available from OpenAI.

Claude 3.5 Haiku

bedrock logo
AWS Bedrock
Input Price:Input: $0.80/1MOutput Price:Output: $4.00/1M
google logo
Google
Input Price:Input: $0.80/1MOutput Price:Output: $4.00/1M
anthropic logo
Anthropic
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M

o4-mini

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

Outputs Comparison

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Key Takeaways

Anthropic
Less expensive input tokens
Less expensive output tokens
OpenAI
Supports multimodal inputs
Higher GPQA score (81.4% vs 41.6%)
Higher SWE-Bench Verified score (68.1% vs 40.6%)
Higher TAU-bench Airline score (49.2% vs 22.8%)
Higher TAU-bench Retail score (71.8% vs 51.0%)
AnthropicClaude 3.5 Haiku
OpenAIo4-mini
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3.5 Haiku
OpenAI
o4-mini

FAQ

Common questions about Claude 3.5 Haiku vs o4-mini.

Which is better, Claude 3.5 Haiku or o4-mini?

o4-mini significantly outperforms across most benchmarks. Claude 3.5 Haiku is made by Anthropic and o4-mini is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3.5 Haiku compare to o4-mini in benchmarks?

Claude 3.5 Haiku scores HumanEval: 88.1%, MGSM: 85.6%, DROP: 83.1%, MATH: 69.4%, MMLU-Pro: 65.0%. o4-mini scores AIME 2024: 93.4%, AIME 2025: 92.7%, MathVista: 84.3%, MMMU: 81.6%, GPQA: 81.4%.

Is Claude 3.5 Haiku cheaper than o4-mini?

Claude 3.5 Haiku is 1.4x cheaper for input tokens. Claude 3.5 Haiku costs $0.80/M input and $4.00/M output via bedrock. o4-mini costs $1.10/M input and $4.40/M output via openai.

What are the context window sizes for Claude 3.5 Haiku and o4-mini?

Claude 3.5 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 3.5 Haiku and o4-mini?

Key differences include input pricing ($0.80 vs $1.10/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Haiku and o4-mini?

Claude 3.5 Haiku is developed by Anthropic and o4-mini is developed by OpenAI.