Model Comparison

Claude 3.5 Sonnet vs Claude 3 Haiku

Claude 3.5 Sonnet significantly outperforms across most benchmarks. Claude 3 Haiku is 12.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

Claude 3.5 Sonnet outperforms in 8 benchmarks (BIG-Bench Hard, DROP, GPQA, GSM8k, HumanEval, MATH, MGSM, MMLU), while Claude 3 Haiku is better at 0 benchmarks.

Claude 3.5 Sonnet significantly outperforms across most benchmarks.

Tue May 12 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Claude 3 Haiku costs less

For input processing, Claude 3.5 Sonnet ($3.00/1M tokens) is 12.0x more expensive than Claude 3 Haiku ($0.25/1M tokens).

For output processing, Claude 3.5 Sonnet ($15.00/1M tokens) is 12.0x more expensive than Claude 3 Haiku ($1.25/1M tokens).

In conclusion, Claude 3.5 Sonnet is more expensive than Claude 3 Haiku.*

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

Lowest available price from all providers

Tue May 12 2026 • llm-stats.com

Claude 3.5 Sonnet

Input tokens$3.00

Output tokens$15.00

Best providerAnthropic

Claude 3 Haiku

Input tokens$0.25

Output tokens$1.25

Best providerAnthropic

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Context Window

Maximum input and output token capacity

Both models have the same input context window of 200,000 tokens. Both models can generate responses up to 200,000 tokens.

Claude 3.5 Sonnet

Input200,000 tokens

Output200,000 tokens

Claude 3 Haiku

Input200,000 tokens

Output200,000 tokens

Tue May 12 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3.5 Sonnet and Claude 3 Haiku support multimodal inputs.

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

Claude 3.5 Sonnet

Text

Images

Audio

Video

Claude 3 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.

Claude 3.5 Sonnet

Proprietary

Closed source

Claude 3 Haiku

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-10-22, while Claude 3 Haiku was released on 2024-03-13.

Claude 3.5 Sonnet is 7 months newer than Claude 3 Haiku.

Claude 3.5 Sonnet

Oct 22, 2024

1.6 years ago

7mo newer

Claude 3 Haiku

Mar 13, 2024

2.2 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 Sonnet is available from Anthropic, Bedrock, Google. Claude 3 Haiku is available from Anthropic, Bedrock, Google.

Claude 3.5 Sonnet

Anthropic

Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

AWS Bedrock

Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Google

Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Claude 3 Haiku

Anthropic

Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M

AWS Bedrock

Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M

Google

Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Claude 3.5 Sonnet

View details

Anthropic

Higher BIG-Bench Hard score (93.1% vs 73.7%)

Higher DROP score (87.1% vs 78.4%)

Higher GPQA score (67.2% vs 33.3%)

Higher GSM8k score (96.4% vs 88.9%)

Higher HumanEval score (93.7% vs 75.9%)

Higher MATH score (78.3% vs 38.9%)

Higher MGSM score (91.6% vs 75.1%)

Higher MMLU score (90.4% vs 75.2%)

Claude 3 Haiku

View details

Anthropic

Less expensive input tokens

Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature	Claude 3.5 Sonnet	Claude 3 Haiku

FAQ

Common questions about Claude 3.5 Sonnet vs Claude 3 Haiku.

Which is better, Claude 3.5 Sonnet or Claude 3 Haiku?

Claude 3.5 Sonnet significantly outperforms across most benchmarks. Claude 3.5 Sonnet is made by Anthropic and Claude 3 Haiku is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3.5 Sonnet compare to Claude 3 Haiku in benchmarks?

Claude 3.5 Sonnet scores GSM8k: 96.4%, DocVQA: 95.2%, AI2D: 94.7%, HumanEval: 93.7%, BIG-Bench Hard: 93.1%. Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%.

Is Claude 3.5 Sonnet cheaper than Claude 3 Haiku?

Claude 3 Haiku is 12.0x cheaper for input tokens. Claude 3.5 Sonnet costs $3.00/M input and $15.00/M output via anthropic. Claude 3 Haiku costs $0.25/M input and $1.25/M output via anthropic.

What are the context window sizes for Claude 3.5 Sonnet and Claude 3 Haiku?

Claude 3.5 Sonnet supports 200K tokens and Claude 3 Haiku 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 Sonnet and Claude 3 Haiku?

Key differences include input pricing ($3.00 vs $0.25/M). See the full comparison above for benchmark-by-benchmark results.