Model Comparison

Claude 3 Haiku vs Claude 3.5 Sonnet

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

Claude 3.5 Sonnet significantly outperforms across most benchmarks.

Fri Apr 03 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 Haiku ($0.25/1M tokens) is 12.0x cheaper than Claude 3.5 Sonnet ($3.00/1M tokens).

For output processing, Claude 3 Haiku ($1.25/1M tokens) is 12.0x cheaper than Claude 3.5 Sonnet ($15.00/1M 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
Fri Apr 03 2026 • llm-stats.com
Anthropic
Claude 3 Haiku
Input tokens$0.25
Output tokens$1.25
Best providerAnthropic
Anthropic
Claude 3.5 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
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 Haiku
Input200,000 tokens
Output200,000 tokens
Anthropic
Claude 3.5 Sonnet
Input200,000 tokens
Output200,000 tokens
Fri Apr 03 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

Claude 3 Haiku

Text
Images
Audio
Video

Claude 3.5 Sonnet

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 Haiku

Proprietary

Closed source

Claude 3.5 Sonnet

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

Claude 3 Haiku

Mar 13, 2024

2.1 years ago

Claude 3.5 Sonnet

Oct 22, 2024

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

Claude 3 Haiku

anthropic logo
Anthropic
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
bedrock logo
AWS Bedrock
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
google logo
Google
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M

Claude 3.5 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
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Less expensive input tokens
Less expensive output tokens
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%)

Detailed Comparison

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

FAQ

Common questions about Claude 3 Haiku vs Claude 3.5 Sonnet

Claude 3.5 Sonnet significantly outperforms across most benchmarks. Claude 3 Haiku is made by Anthropic and Claude 3.5 Sonnet is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%. 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 is 12.0x cheaper for input tokens. Claude 3 Haiku costs $0.25/M input and $1.25/M output via anthropic. Claude 3.5 Sonnet costs $3.00/M input and $15.00/M output via anthropic.
Claude 3 Haiku supports 200K tokens and Claude 3.5 Sonnet supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include input pricing ($0.25 vs $3.00/M). See the full comparison above for benchmark-by-benchmark results.