Claude 3.5 Haiku vs GPT-4o

Comparing Claude 3.5 Haiku by Anthropic and GPT-4o by OpenAI across benchmarks, pricing, and capabilities.

GPT-4o significantly outperforms across most benchmarks. Claude 3.5 Haiku is 2.7x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Claude 3.5 Haiku outperforms in 1 benchmarks (SWE-Bench Verified), while GPT-4o is better at 4 benchmarks (GPQA, MMLU-Pro, TAU-bench Airline, TAU-bench Retail).

GPT-4o significantly outperforms across most benchmarks.

Wed Mar 25 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 3.1x cheaper than GPT-4o ($2.50/1M tokens).

For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 2.5x cheaper than GPT-4o ($10.00/1M tokens).

In conclusion, GPT-4o is more expensive than Claude 3.5 Haiku.*

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

Lowest available price from all providers

Wed Mar 25 2026 • llm-stats.com

Claude 3.5 Haiku

Input tokens$0.80

Output tokens$4.00

Best providerAWS Bedrock

GPT-4o

Input tokens$2.50

Output tokens$10.00

Best providerAzure

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Context Window

Maximum input and output token capacity

Claude 3.5 Haiku accepts 200,000 input tokens compared to GPT-4o's 128,000 tokens. Claude 3.5 Haiku can generate longer responses up to 200,000 tokens, while GPT-4o is limited to 16,384 tokens.

Claude 3.5 Haiku

Input200,000 tokens

Output200,000 tokens

GPT-4o

Input128,000 tokens

Output16,384 tokens

Wed Mar 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4o supports multimodal inputs, whereas Claude 3.5 Haiku does not.

GPT-4o 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

GPT-4o

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

GPT-4o

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Haiku was released on 2024-10-22, while GPT-4o was released on 2024-08-06.

Claude 3.5 Haiku is 3 months newer than GPT-4o.

Claude 3.5 Haiku

Oct 22, 2024

1.4 years ago

2mo newer

GPT-4o

Aug 6, 2024

1.6 years ago

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 3.5 Haiku is available from Bedrock, Google, Anthropic. GPT-4o is available from Azure, OpenAI. The availability of providers can affect quality of the model and reliability.