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GPT-4o mini vs GPT-6 Sol

GPT-6 Sol leads the LLM Stats Score 49.4 to 3.6. GPT-4o mini is 15.2x cheaper per token.

OpenAI · OpenAI · Updated for 2026

Which is better?

GPT-6 Sol leads the overall LLM Stats Score 49.4 to 3.6, ranking #21 overall.

On price, GPT-4o mini is roughly 15.2x 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-4o mini

  • cost matters — it's about 15.2x cheaper per token

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
  • 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.

Core performance indexes
3.6
#313
49.4
#21
4.1
#303
45.6
#29
-0.6
#250
35.8
#25
Cost, coverage & limits
Benchmark wins
Input price
$0.15 / M
$2.00 / M
Output price
$0.60 / M
$10.00 / M
Context window
128,000
1,050,000

Individual benchmarks

9 reported for GPT-4o mini · 5 for GPT-6 Sol

No common benchmarks found

GPT-4o mini 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-4o mini costs less

For input processing, GPT-4o mini ($0.15/1M tokens) is 13.3x cheaper than GPT-6 Sol ($2.00/1M tokens).

For output processing, GPT-4o mini ($0.60/1M tokens) is 16.7x cheaper than GPT-6 Sol ($10.00/1M tokens).

In conclusion, GPT-6 Sol is more expensive than GPT-4o mini.*

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

Lowest available price from all providers
Tue Sep 22 2026 • llm-stats.com
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
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 GPT-4o mini's 128,000 tokens. GPT-6 Sol can generate longer responses up to 128,000 tokens, while GPT-4o mini is limited to 16,384 tokens.

OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
OpenAI
GPT-6 Sol
Input1,050,000 tokens
Output128,000 tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

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

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

GPT-4o mini

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.

GPT-4o mini

Proprietary

Closed source

GPT-6 Sol

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o mini was released on 2024-07-18, while GPT-6 Sol was released on 2026-09-22.

GPT-6 Sol is 27 months newer than GPT-4o mini.

GPT-4o mini

Jul 18, 2024

2.2 years ago

GPT-6 Sol

Sep 22, 2026

0 days ago

2.2yr newer

Knowledge Cutoff

When training data ends

GPT-4o mini has a knowledge cutoff of 2023-10-01, while GPT-6 Sol has a cutoff of 2026-04-20.

GPT-6 Sol has more recent training data (up to 2026-04-20), making it potentially better informed about events through that date compared to GPT-4o mini (2023-10-01).

GPT-4o mini

Oct 2023

GPT-6 Sol

Apr 2026

2.5 yr newer

Provider Availability

GPT-4o mini is available from Azure. GPT-6 Sol is available from OpenAI.

GPT-4o mini

azure logo
Azure
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

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 GPT-4o mini and GPT-6 Sol side-by-side, then vote on the output you prefer.

GPT-4o mini
✓ Preferred
GPT-6 Sol
Open in Playground

FAQ

Common questions about GPT-4o mini vs GPT-6 Sol.

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

GPT-6 Sol leads the LLM Stats Score 49.4 to 3.6. GPT-4o mini 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 GPT-4o mini compare to GPT-6 Sol in benchmarks?

GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%. 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 GPT-4o mini cheaper than GPT-6 Sol?

GPT-4o mini is 13.3x cheaper for input tokens. GPT-4o mini costs $0.15/M input and $0.60/M output via azure. GPT-6 Sol costs $2.00/M input and $10.00/M output via openai.

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

GPT-4o mini 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 GPT-4o mini and GPT-6 Sol?

Key differences include LLM Stats Score (3.6 vs 49.4), context window (128K vs 1.1M), input pricing ($0.15 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.