Claude 3 Sonnet vs GPT-3.5 Turbo Comparison

Comparing Claude 3 Sonnet and GPT-3.5 Turbo across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Claude 3 Sonnet outperforms in 5 benchmarks (DROP, GPQA, HumanEval, MGSM, MMLU), while GPT-3.5 Turbo is better at 0 benchmarks.

Claude 3 Sonnet significantly outperforms across most benchmarks.

Mon Mar 16 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-3.5 Turbo costs less

For input processing, Claude 3 Sonnet ($3.00/1M tokens) is 6.0x more expensive than GPT-3.5 Turbo ($0.50/1M tokens).

For output processing, Claude 3 Sonnet ($15.00/1M tokens) is 10.0x more expensive than GPT-3.5 Turbo ($1.50/1M tokens).

In conclusion, Claude 3 Sonnet is more expensive than GPT-3.5 Turbo.*

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

Lowest available price from all providers

Mon Mar 16 2026 • llm-stats.com

Claude 3 Sonnet

Input tokens$3.00

Output tokens$15.00

Best providerAnthropic

GPT-3.5 Turbo

Input tokens$0.50

Output tokens$1.50

Best providerAzure

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Context Window

Maximum input and output token capacity

Claude 3 Sonnet accepts 200,000 input tokens compared to GPT-3.5 Turbo's 16,385 tokens. Claude 3 Sonnet can generate longer responses up to 200,000 tokens, while GPT-3.5 Turbo is limited to 4,096 tokens.

Claude 3 Sonnet

Input200,000 tokens

Output200,000 tokens

GPT-3.5 Turbo

Input16,385 tokens

Output4,096 tokens

Mon Mar 16 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Sonnet supports multimodal inputs, whereas GPT-3.5 Turbo 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

GPT-3.5 Turbo

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

GPT-3.5 Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Sonnet was released on 2024-02-29, while GPT-3.5 Turbo was released on 2023-03-21.

Claude 3 Sonnet is 12 months newer than GPT-3.5 Turbo.

Claude 3 Sonnet

Feb 29, 2024

2.0 years ago

11mo newer

GPT-3.5 Turbo

Mar 21, 2023

3.0 years ago

Knowledge Cutoff

When training data ends

GPT-3.5 Turbo has a documented knowledge cutoff of 2021-09-30, while Claude 3 Sonnet's cutoff date is not specified.

We can confirm GPT-3.5 Turbo's training data extends to 2021-09-30, but cannot make a direct comparison without Claude 3 Sonnet's cutoff date.

Claude 3 Sonnet

—

GPT-3.5 Turbo

Sep 2021

Provider Availability

Claude 3 Sonnet is available from Anthropic, Bedrock, Google. GPT-3.5 Turbo is available from Azure. The availability of providers can affect quality of the model and reliability.