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GPT-4 Turbo vs o1

o1 leads the LLM Stats Score 21.1 to 9.1. GPT-4 Turbo is 1.8x cheaper per token.

OpenAI · OpenAI · Updated for 2026

Which is better?

o1 leads the overall LLM Stats Score 21.1 to 9.1, ranking #182 overall.

In the 5 individual benchmarks reported for both models, o1 wins 5; this is a narrower head-to-head signal than the composite indexes.

On price, GPT-4 Turbo is roughly 1.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

o1 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-4 Turbo

  • cost matters — it's about 1.8x cheaper per token

Choose o1

  • overall performance matters — it scores 21.1 and ranks #182 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 5 of 5 exact shared results
  • you process long inputs — it offers a 200,000 token context window
  • you want the most recent training data — it shipped Dec 2024

At a glance

The differences that matter most.

Core performance indexes
9.1
#261
21.1
#182
9.2
#253
21.4
#171
7.3
#179
4.8
#197
Cost, coverage & limits
Benchmark wins
0 of 5
5 of 5
Input price
$10.00 / M
$15.00 / M
Output price
$30.00 / M
$60.00 / M
Context window
128,000
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT-4 Turbo
o1
17.4#189
24.1#114
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for GPT-4 Turbo · 19 for o1

5 shared

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

o1 significantly outperforms across most benchmarks.

Fri Sep 04 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

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 ($15.00/1M tokens).

For output processing, GPT-4 Turbo ($30.00/1M tokens) is 2.0x cheaper than o1 ($60.00/1M 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
Fri Sep 04 2026 • llm-stats.com
OpenAI
GPT-4 Turbo
Input tokens$10.00
Output tokens$30.00
Best providerAzure
OpenAI
o1
Input tokens$15.00
Output tokens$60.00
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
GPT-4 Turbo
Input128,000 tokens
Output4,096 tokens
OpenAI
o1
Input200,000 tokens
Output100,000 tokens
Fri Sep 04 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

Proprietary

Closed source

Release Timeline

When each model was launched

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

o1 is 8 months newer than GPT-4 Turbo.

GPT-4 Turbo

Apr 9, 2024

2.4 years ago

o1

Dec 17, 2024

1.7 years ago

8mo newer

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.

GPT-4 Turbo

Dec 2023

o1

Provider Availability

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

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

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
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against GPT-4 Turbo and o1 side-by-side, then vote on the output you prefer.

GPT-4 Turbo
✓ Preferred
o1
Open in Playground

FAQ

Common questions about GPT-4 Turbo vs o1.

Which is better, GPT-4 Turbo or o1?

o1 leads the LLM Stats Score 21.1 to 9.1. GPT-4 Turbo is made by OpenAI and o1 is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-4 Turbo compare to o1 in benchmarks?

GPT-4 Turbo scores MGSM: 88.5%, HumanEval: 87.1%, MMLU: 86.5%, DROP: 86.0%, MATH: 72.6%. o1 scores GSM8k: 97.1%, MATH: 96.4%, GPQA Physics: 92.8%, MMLU: 91.8%, MGSM: 89.3%.

Is GPT-4 Turbo cheaper than o1?

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 costs $15.00/M input and $60.00/M output via azure.

What are the context window sizes for GPT-4 Turbo and o1?

GPT-4 Turbo supports 128K tokens and o1 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4 Turbo and o1?

Key differences include LLM Stats Score (9.1 vs 21.1), context window (128K vs 200K), input pricing ($10.00 vs $15.00/M). See the full comparison above for benchmark-by-benchmark results.