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ChatGPT-4o Latest vs GPT-6 Sol

GPT-6 Sol leads the LLM Stats Score 49.4 to 24.9. GPT-6 Sol is 1.1x cheaper per token.

OpenAI · OpenAI · Updated for 2026

Which is better?

GPT-6 Sol leads the overall LLM Stats Score 49.4 to 24.9, ranking #21 overall.

On price, GPT-6 Sol is roughly 1.1x 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 ChatGPT-4o Latest

  • you want predictable pricing at $2.50/M input and $10.00/M output

Choose GPT-6 Sol

  • overall performance matters — it scores 49.4 and ranks #21 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • cost matters — it's about 1.1x 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

At a glance

The differences that matter most.

ChatGPT-4o Latest
OpenAI
GPT-6 Sol
OpenAI
Core performance indexes
LLM Stats Score
24.9
#166
49.4
#21
Reasoning
24.0
#166
45.6
#29
Cost, coverage & limits
Benchmark wins
—
—
Input price
$2.50 / M
$2.00 / M
Output price
$10.00 / M
$10.00 / M
Context window
128,000
1,050,000

Individual benchmarks

1 reported for ChatGPT-4o Latest · 5 for GPT-6 Sol

No common benchmarks found

ChatGPT-4o Latest and GPT-6 Soldon'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, ChatGPT-4o Latest ($2.50/1M tokens) is 1.3x more expensive than GPT-6 Sol ($2.00/1M tokens).

For output processing, ChatGPT-4o Latest ($10.00/1M tokens) costs the same as GPT-6 Sol ($10.00/1M tokens).

In conclusion, ChatGPT-4o Latest 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
ChatGPT-4o Latest
Input tokens$2.50
Output tokens$10.00
Best providerOpenAI
OpenAI
GPT-6 Sol
Input tokens$2.00
Output tokens$10.00
Best providerOpenAI
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 ChatGPT-4o Latest's 128,000 tokens. GPT-6 Sol can generate longer responses up to 128,000 tokens, while ChatGPT-4o Latest is limited to 16,384 tokens.

OpenAI
ChatGPT-4o Latest
Input128,000 tokens
Output16,384 tokens
OpenAI
GPT-6 Sol
Input1,050,000 tokens
Output128,000 tokens
Wed Sep 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both ChatGPT-4o Latest and GPT-6 Sol support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

ChatGPT-4o Latest

Text
Images
Audio
Video

GPT-6 Sol

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.

ChatGPT-4o Latest

Proprietary

Closed source

GPT-6 Sol

Proprietary

Closed source

Release Timeline

When each model was launched

ChatGPT-4o Latest was released on 2024-05-13, while GPT-6 Sol was released on 2026-09-22.

GPT-6 Sol is 29 months newer than ChatGPT-4o Latest.

ChatGPT-4o Latest

May 13, 2024

2.4 years ago

GPT-6 Sol

Sep 22, 2026

0 days ago

2.4yr newer

Knowledge Cutoff

When training data ends

GPT-6 Sol has a documented knowledge cutoff of 2026-04-20, while ChatGPT-4o Latest'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 ChatGPT-4o Latest's cutoff date.

ChatGPT-4o Latest

—

GPT-6 Sol

Apr 2026

Provider Availability

ChatGPT-4o Latest is available from OpenAI. GPT-6 Sol is available from OpenAI.

ChatGPT-4o Latest

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

GPT-6 Sol

openai logo
OpenAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
* 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 ChatGPT-4o Latest and GPT-6 Sol side-by-side, then vote on the output you prefer.

ChatGPT-4o Latest
✓ Preferred
GPT-6 Sol
Open in Playground

FAQ

Common questions about ChatGPT-4o Latest vs GPT-6 Sol.

Which is better, ChatGPT-4o Latest or GPT-6 Sol?

GPT-6 Sol leads the LLM Stats Score 49.4 to 24.9. ChatGPT-4o Latest is made by OpenAI and GPT-6 Sol is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does ChatGPT-4o Latest compare to GPT-6 Sol in benchmarks?

ChatGPT-4o Latest scores GPQA: 84.0%. 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%.

Is ChatGPT-4o Latest cheaper than GPT-6 Sol?

GPT-6 Sol is 1.3x cheaper for input tokens. ChatGPT-4o Latest costs $2.50/M input and $10.00/M output via openai. GPT-6 Sol costs $2.00/M input and $10.00/M output via openai.

What are the context window sizes for ChatGPT-4o Latest and GPT-6 Sol?

ChatGPT-4o Latest supports 128K tokens and GPT-6 Sol supports 1.1M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between ChatGPT-4o Latest and GPT-6 Sol?

Key differences include LLM Stats Score (24.9 vs 49.4), context window (128K vs 1.1M), input pricing ($2.50 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.

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