Model Comparison

Claude 3 Sonnet vs Claude 3.5 Haiku

Claude 3.5 Haiku significantly outperforms across most benchmarks. Claude 3.5 Haiku is 3.8x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Claude 3 Sonnet outperforms in 0 benchmarks, while Claude 3.5 Haiku is better at 6 benchmarks (DROP, GPQA, HumanEval, MATH, MGSM, MMLU-Pro).

Claude 3.5 Haiku significantly outperforms across most benchmarks.

Mon Apr 06 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 Sonnet ($3.00/1M tokens) is 3.8x more expensive than Claude 3.5 Haiku ($0.80/1M tokens).

For output processing, Claude 3 Sonnet ($15.00/1M tokens) is 3.8x more expensive than Claude 3.5 Haiku ($4.00/1M tokens).

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

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

Lowest available price from all providers
Mon Apr 06 2026 • llm-stats.com
Anthropic
Claude 3 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
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

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

Anthropic
Claude 3 Sonnet
Input200,000 tokens
Output200,000 tokens
Anthropic
Claude 3.5 Haiku
Input200,000 tokens
Output200,000 tokens
Mon Apr 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Sonnet supports multimodal inputs, whereas Claude 3.5 Haiku does not.

Claude 3 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3 Sonnet

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.

Claude 3 Sonnet

Proprietary

Closed source

Claude 3.5 Haiku

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Sonnet was released on 2024-02-29, while Claude 3.5 Haiku was released on 2024-10-22.

Claude 3.5 Haiku is 8 months newer than Claude 3 Sonnet.

Claude 3 Sonnet

Feb 29, 2024

2.1 years ago

Claude 3.5 Haiku

Oct 22, 2024

1.5 years ago

7mo 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

Claude 3 Sonnet is available from Anthropic, Bedrock, Google. Claude 3.5 Haiku is available from Bedrock, Google, Anthropic.

Claude 3 Sonnet

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
google logo
Google
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

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

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Supports multimodal inputs
Anthropic
Less expensive input tokens
Less expensive output tokens
Higher DROP score (83.1% vs 78.9%)
Higher GPQA score (41.6% vs 40.4%)
Higher HumanEval score (88.1% vs 73.0%)
Higher MATH score (69.4% vs 43.1%)
Higher MGSM score (85.6% vs 83.5%)
Higher MMLU-Pro score (65.0% vs 56.8%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Sonnet
Anthropic
Claude 3.5 Haiku

FAQ

Common questions about Claude 3 Sonnet vs Claude 3.5 Haiku

Claude 3.5 Haiku significantly outperforms across most benchmarks. Claude 3 Sonnet is made by Anthropic 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.
Claude 3 Sonnet scores ARC-C: 93.2%, GSM8k: 92.3%, HellaSwag: 89.0%, MGSM: 83.5%, BIG-Bench Hard: 82.9%. 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 3.8x cheaper for input tokens. Claude 3 Sonnet costs $3.00/M input and $15.00/M output via anthropic. Claude 3.5 Haiku costs $0.80/M input and $4.00/M output via bedrock.
Claude 3 Sonnet supports 200K 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 input pricing ($3.00 vs $0.80/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.