Model Comparison

GPT-4o vs Claude 3.5 Haiku

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

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

GPT-4o significantly outperforms across most benchmarks.

Fri May 01 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, GPT-4o ($2.50/1M tokens) is 3.1x more expensive than Claude 3.5 Haiku ($0.80/1M tokens).

For output processing, GPT-4o ($10.00/1M tokens) is 2.5x more expensive than Claude 3.5 Haiku ($4.00/1M 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
Fri May 01 2026 • llm-stats.com
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
Anthropic
Claude 3.5 Haiku
Input tokens$0.80
Output tokens$4.00
Best providerAWS Bedrock
Notice missing or incorrect data?Start an Issue→

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.

OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
Anthropic
Claude 3.5 Haiku
Input200,000 tokens
Output200,000 tokens
Fri May 01 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.

GPT-4o

Text
Images
Audio
Video

Claude 3.5 Haiku

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.

GPT-4o

Proprietary

Closed source

Claude 3.5 Haiku

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

GPT-4o

Aug 6, 2024

1.7 years ago

Claude 3.5 Haiku

Oct 22, 2024

1.5 years ago

2mo 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

GPT-4o is available from Azure, OpenAI. Claude 3.5 Haiku is available from Bedrock, Google, Anthropic.

GPT-4o

azure logo
Azure
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

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
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Supports multimodal inputs
Higher GPQA score (70.1% vs 41.6%)
Higher MMLU-Pro score (74.7% vs 65.0%)
Higher TAU-bench Airline score (42.8% vs 22.8%)
Higher TAU-bench Retail score (60.3% vs 51.0%)
Anthropic
Larger context window (200,000 tokens)
Less expensive input tokens
Less expensive output tokens
Higher SWE-Bench Verified score (40.6% vs 33.2%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o
Anthropic
Claude 3.5 Haiku

FAQ

Common questions about GPT-4o vs Claude 3.5 Haiku

GPT-4o significantly outperforms across most benchmarks. GPT-4o is made by OpenAI and Claude 3.5 Haiku is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4o scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%. Claude 3.5 Haiku scores HumanEval: 88.1%, MGSM: 85.6%, DROP: 83.1%, MATH: 69.4%, MMLU-Pro: 65.0%.
Claude 3.5 Haiku is 3.1x cheaper for input tokens. GPT-4o costs $2.50/M input and $10.00/M output via azure. Claude 3.5 Haiku costs $0.80/M input and $4.00/M output via bedrock.
GPT-4o supports 128K tokens and Claude 3.5 Haiku supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (128K vs 200K), input pricing ($2.50 vs $0.80/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.
GPT-4o is developed by OpenAI and Claude 3.5 Haiku is developed by Anthropic.