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GPT-6 Sol vs o1

GPT-6 Sol leads the LLM Stats Score 49.4 to 20.9. GPT-6 Sol is 6.6x cheaper per token.

OpenAI · OpenAI · Updated for 2026

Which is better?

GPT-6 Sol leads the overall LLM Stats Score 49.4 to 20.9, ranking #21 overall.

On price, GPT-6 Sol is roughly 6.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Sol also accepts a larger context window (1,050,000 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-6 Sol

  • overall performance matters — it scores 49.4 and ranks #21 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • cost matters — it's about 6.6x cheaper per token
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose o1

  • you want predictable pricing at $15.00/M input and $60.00/M output

At a glance

The differences that matter most.

Core performance indexes
49.4
#21
20.9
#197
45.6
#29
21.3
#187
35.8
#25
4.6
#212
Cost, coverage & limits
Benchmark wins
Input price
$2.00 / M
$15.00 / M
Output price
$10.00 / M
$60.00 / M
Context window
1,050,000
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT-6 Sol
o1
26.6#25
12.7#106
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

5 reported for GPT-6 Sol · 19 for o1

No common benchmarks found

GPT-6 Sol and o1don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

GPT-6 Sol costs less

For input processing, GPT-6 Sol ($2.00/1M tokens) is 7.5x cheaper than o1 ($15.00/1M tokens).

For output processing, GPT-6 Sol ($10.00/1M tokens) is 6.0x cheaper than o1 ($60.00/1M tokens).

In conclusion, o1 is more expensive than GPT-6 Sol.*

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

Lowest available price from all providers
Wed Sep 23 2026 • llm-stats.com
OpenAI
GPT-6 Sol
Input tokens$2.00
Output tokens$10.00
Best providerOpenAI
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

GPT-6 Sol accepts 1,050,000 input tokens compared to o1's 200,000 tokens. GPT-6 Sol can generate longer responses up to 128,000 tokens, while o1 is limited to 100,000 tokens.

OpenAI
GPT-6 Sol
Input1,050,000 tokens
Output128,000 tokens
OpenAI
o1
Input200,000 tokens
Output100,000 tokens
Wed Sep 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6 Sol supports multimodal inputs, whereas o1 does not.

GPT-6 Sol can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-6 Sol

Text
Images
Audio
Video

o1

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.

GPT-6 Sol

Proprietary

Closed source

o1

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-6 Sol was released on 2026-09-22, while o1 was released on 2024-12-17.

GPT-6 Sol is 21 months newer than o1.

GPT-6 Sol

Sep 22, 2026

0 days ago

1.8yr newer
o1

Dec 17, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

GPT-6 Sol has a documented knowledge cutoff of 2026-04-20, while o1's cutoff date is not specified.

We can confirm GPT-6 Sol's training data extends to 2026-04-20, but cannot make a direct comparison without o1's cutoff date.

GPT-6 Sol

Apr 2026

o1

Provider Availability

GPT-6 Sol is available from OpenAI. o1 is available from Azure, OpenAI.

GPT-6 Sol

openai logo
OpenAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M

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-6 Sol and o1 side-by-side, then vote on the output you prefer.

GPT-6 Sol
✓ Preferred
o1
Open in Playground

FAQ

Common questions about GPT-6 Sol vs o1.

Which is better, GPT-6 Sol or o1?

GPT-6 Sol leads the LLM Stats Score 49.4 to 20.9. GPT-6 Sol 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-6 Sol compare to o1 in benchmarks?

GPT-6 Sol scores DeepSWE 1.1: 68.8%, OSWorld 2.0: 64.4%, Agents' Last Exam: 56.4%, FrontierCode 1.1: 49.3%, AutomationBench v1.0.6: 33.2%. o1 scores GSM8k: 97.1%, MATH: 96.4%, GPQA Physics: 92.8%, MMLU: 91.8%, MGSM: 89.3%.

Is GPT-6 Sol cheaper than o1?

GPT-6 Sol is 7.5x cheaper for input tokens. GPT-6 Sol costs $2.00/M input and $10.00/M output via openai. o1 costs $15.00/M input and $60.00/M output via azure.

What are the context window sizes for GPT-6 Sol and o1?

GPT-6 Sol supports 1.1M 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-6 Sol and o1?

Key differences include LLM Stats Score (49.4 vs 20.9), context window (1.1M vs 200K), input pricing ($2.00 vs $15.00/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.