Claude 3.7 Sonnet vs Claude 3 Haiku Comparison

Comparing Claude 3.7 Sonnet and Claude 3 Haiku across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude 3.7 Sonnet outperforms in 1 benchmarks (GPQA), while Claude 3 Haiku is better at 0 benchmarks.

Claude 3.7 Sonnet significantly outperforms across most benchmarks.

Sun Mar 15 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 3.7 Sonnet ($3.00/1M tokens) is 12.0x more expensive than Claude 3 Haiku ($0.25/1M tokens).

For output processing, Claude 3.7 Sonnet ($15.00/1M tokens) is 12.0x more expensive than Claude 3 Haiku ($1.25/1M tokens).

In conclusion, Claude 3.7 Sonnet is more expensive than Claude 3 Haiku.*

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

Lowest available price from all providers

Sun Mar 15 2026 • llm-stats.com

Claude 3.7 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. Claude 3 Haiku can generate longer responses up to 200,000 tokens, while Claude 3.7 Sonnet is limited to 128,000 tokens.

Claude 3.7 Sonnet

Input200,000 tokens

Output128,000 tokens

Claude 3 Haiku

Input200,000 tokens

Output200,000 tokens

Sun Mar 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3.7 Sonnet and Claude 3 Haiku support multimodal inputs.

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

Claude 3.7 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 3.7 Sonnet

Proprietary

Closed source

Claude 3 Haiku

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.7 Sonnet was released on 2025-02-24, while Claude 3 Haiku was released on 2024-03-13.

Claude 3.7 Sonnet is 12 months newer than Claude 3 Haiku.

Claude 3.7 Sonnet

Feb 24, 2025

1.1 years ago

11mo newer

Claude 3 Haiku

Mar 13, 2024

2.0 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 3.7 Sonnet is available from Anthropic, Bedrock, Google. Claude 3 Haiku is available from Anthropic, Bedrock, Google. The availability of providers can affect quality of the model and reliability.