GPT-4 Turbo vs o1-preview

Comparing GPT-4 Turbo by OpenAI and o1-preview by OpenAI across benchmarks, pricing, and capabilities.

o1-preview significantly outperforms across most benchmarks. GPT-4 Turbo is 1.8x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

GPT-4 Turbo outperforms in 0 benchmarks, while o1-preview is better at 4 benchmarks (GPQA, MATH, MGSM, MMLU).

o1-preview significantly outperforms across most benchmarks.

Tue Mar 24 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4 Turbo costs less

For input processing, GPT-4 Turbo ($10.00/1M tokens) is 1.5x cheaper than o1-preview ($15.00/1M tokens).

For output processing, GPT-4 Turbo ($30.00/1M tokens) is 2.0x cheaper than o1-preview ($60.00/1M tokens).

In conclusion, o1-preview is more expensive than GPT-4 Turbo.*

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

Lowest available price from all providers

Tue Mar 24 2026 • llm-stats.com

GPT-4 Turbo

Input tokens$10.00

Output tokens$30.00

Best providerAzure

o1-preview

Input tokens$15.00

Output tokens$60.00

Best providerOpenAI

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Context Window

Maximum input and output token capacity

Both models have the same input context window of 128,000 tokens. o1-preview can generate longer responses up to 32,768 tokens, while GPT-4 Turbo is limited to 4,096 tokens.

GPT-4 Turbo

Input128,000 tokens

Output4,096 tokens

o1-preview

Input128,000 tokens

Output32,768 tokens

Tue Mar 24 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-4 Turbo

Proprietary

Closed source

o1-preview

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4 Turbo was released on 2024-04-09, while o1-preview was released on 2024-09-12.

o1-preview is 5 months newer than GPT-4 Turbo.

GPT-4 Turbo

Apr 9, 2024

2.0 years ago

o1-preview

Sep 12, 2024

1.5 years ago

5mo newer

Knowledge Cutoff

When training data ends

GPT-4 Turbo has a documented knowledge cutoff of 2023-12-31, while o1-preview's cutoff date is not specified.

We can confirm GPT-4 Turbo's training data extends to 2023-12-31, but cannot make a direct comparison without o1-preview's cutoff date.

GPT-4 Turbo

Dec 2023

o1-preview

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Provider Availability

GPT-4 Turbo is available from Azure, OpenAI. o1-preview is available from OpenAI, Azure. The availability of providers can affect quality of the model and reliability.