Model Comparison

o1 vs GPT-4 Turbo

o1 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

5 benchmarks

o1 outperforms in 5 benchmarks (GPQA, HumanEval, MATH, MGSM, MMLU), while GPT-4 Turbo is better at 0 benchmarks.

o1 significantly outperforms across most benchmarks.

Tue Apr 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4 Turbo costs less

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

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

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

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

Lowest available price from all providers
Tue Apr 14 2026 • llm-stats.com
OpenAI
o1
Input tokens$15.00
Output tokens$60.00
Best providerAzure
OpenAI
GPT-4 Turbo
Input tokens$10.00
Output tokens$30.00
Best providerAzure
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

o1 accepts 200,000 input tokens compared to GPT-4 Turbo's 128,000 tokens. o1 can generate longer responses up to 100,000 tokens, while GPT-4 Turbo is limited to 4,096 tokens.

OpenAI
o1
Input200,000 tokens
Output100,000 tokens
OpenAI
GPT-4 Turbo
Input128,000 tokens
Output4,096 tokens
Tue Apr 14 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.

o1

Proprietary

Closed source

GPT-4 Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

o1 was released on 2024-12-17, while GPT-4 Turbo was released on 2024-04-09.

o1 is 8 months newer than GPT-4 Turbo.

o1

Dec 17, 2024

1.3 years ago

8mo newer
GPT-4 Turbo

Apr 9, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

GPT-4 Turbo has a documented knowledge cutoff of 2023-12-31, while o1'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's cutoff date.

o1

—

GPT-4 Turbo

Dec 2023

Provider Availability

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

o1

azure logo
Azure
Input Price:Input: $15.00/1MOutput Price:Output: $60.00/1M
openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $60.00/1M

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
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (200,000 tokens)
Higher GPQA score (78.0% vs 48.0%)
Higher HumanEval score (88.1% vs 87.1%)
Higher MATH score (96.4% vs 72.6%)
Higher MGSM score (89.3% vs 88.5%)
Higher MMLU score (91.8% vs 86.5%)
OpenAI
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

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

FAQ

Common questions about o1 vs GPT-4 Turbo

o1 significantly outperforms across most benchmarks. o1 is made by OpenAI and GPT-4 Turbo is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
o1 scores GSM8k: 97.1%, MATH: 96.4%, GPQA Physics: 92.8%, MMLU: 91.8%, MGSM: 89.3%. GPT-4 Turbo scores MGSM: 88.5%, HumanEval: 87.1%, MMLU: 86.5%, DROP: 86.0%, MATH: 72.6%.
GPT-4 Turbo is 1.5x cheaper for input tokens. o1 costs $15.00/M input and $60.00/M output via azure. GPT-4 Turbo costs $10.00/M input and $30.00/M output via azure.
o1 supports 200K tokens and GPT-4 Turbo supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 128K), input pricing ($15.00 vs $10.00/M). See the full comparison above for benchmark-by-benchmark results.