Model Comparison

GPT-4 Turbo vs o1-preview

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.

Wed Apr 08 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
Wed Apr 08 2026 • llm-stats.com
OpenAI
GPT-4 Turbo
Input tokens$10.00
Output tokens$30.00
Best providerAzure
OpenAI
o1-preview
Input tokens$15.00
Output tokens$60.00
Best providerOpenAI
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 128,000 tokens. o1-preview can generate longer responses up to 32,768 tokens, while GPT-4 Turbo is limited to 4,096 tokens.

OpenAI
GPT-4 Turbo
Input128,000 tokens
Output4,096 tokens
OpenAI
o1-preview
Input128,000 tokens
Output32,768 tokens
Wed Apr 08 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

1.6 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

—

Provider Availability

GPT-4 Turbo is available from Azure, OpenAI. o1-preview is available from OpenAI, Azure.

GPT-4 Turbo

azure logo
Azure
Input Price:Input: $10.00/1MOutput Price:Output: $30.00/1M
openai logo
OpenAI
Input Price:Input: $10.00/1MOutput Price:Output: $30.00/1M

o1-preview

openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $60.00/1M
azure logo
Azure
Input Price:Input: $16.50/1MOutput Price:Output: $66.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Less expensive input tokens
Less expensive output tokens
OpenAI
Higher GPQA score (73.3% vs 48.0%)
Higher MATH score (85.5% vs 72.6%)
Higher MGSM score (90.8% vs 88.5%)
Higher MMLU score (90.8% vs 86.5%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4 Turbo
OpenAI
o1-preview

FAQ

Common questions about GPT-4 Turbo vs o1-preview

o1-preview significantly outperforms across most benchmarks. GPT-4 Turbo is made by OpenAI and o1-preview is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4 Turbo scores MGSM: 88.5%, HumanEval: 87.1%, MMLU: 86.5%, DROP: 86.0%, MATH: 72.6%. o1-preview scores MGSM: 90.8%, MMLU: 90.8%, MATH: 85.5%, GPQA: 73.3%, LiveBench: 52.3%.
GPT-4 Turbo is 1.5x cheaper for input tokens. GPT-4 Turbo costs $10.00/M input and $30.00/M output via azure. o1-preview costs $15.00/M input and $60.00/M output via openai.
GPT-4 Turbo supports 128K tokens and o1-preview supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include input pricing ($10.00 vs $15.00/M). See the full comparison above for benchmark-by-benchmark results.