GPT-6.1 Sol vs Solar Mini 4
GPT-6.1 Sol leads the LLM Stats Score 53.9 to 31.9. Solar Mini 4 is 22.9x cheaper per token.
OpenAI · Upstage · Updated for 2026
Which is better?
GPT-6.1 Sol leads the overall LLM Stats Score 53.9 to 31.9, ranking #7 overall.
In the 1 individual benchmarks reported for both models, GPT-6.1 Sol wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, Solar Mini 4 is roughly 22.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-6.1 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-6.1 Sol
- overall performance matters — it scores 53.9 and ranks #7 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- 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 Solar Mini 4
- cost matters — it's about 22.9x cheaper per token
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
17 reported for GPT-6.1 Sol · 6 for Solar Mini 4
GPT-6.1 Sol outperforms in 1 benchmarks (Humanity's Last Exam (no tools, text-only)), while Solar Mini 4 is better at 0 benchmarks.
GPT-6.1 Sol significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-6.1 Sol ($2.00/1M tokens) is 20.0x more expensive than Solar Mini 4 ($0.10/1M tokens).
For output processing, GPT-6.1 Sol ($10.00/1M tokens) is 25.0x more expensive than Solar Mini 4 ($0.40/1M tokens).
In conclusion, GPT-6.1 Sol is more expensive than Solar Mini 4.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-6.1 Sol accepts 1,050,000 input tokens compared to Solar Mini 4's 524,288 tokens. Solar Mini 4 can generate longer responses up to 131,072 tokens, while GPT-6.1 Sol is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
GPT-6.1 Sol supports multimodal inputs, whereas Solar Mini 4 does not.
GPT-6.1 Sol can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-6.1 Sol
Solar Mini 4
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-6.1 Sol was released on 2026-09-29, while Solar Mini 4 was released on 2026-09-22.
GPT-6.1 Sol is 0 month newer than Solar Mini 4.
Sep 29, 2026
1 weeks ago
1w newerSep 22, 2026
2 weeks ago
Knowledge Cutoff
When training data ends
GPT-6.1 Sol has a knowledge cutoff of 2026-04-30, while Solar Mini 4 has a cutoff of 2026-02-01.
GPT-6.1 Sol has more recent training data (up to 2026-04-30), making it potentially better informed about events through that date compared to Solar Mini 4 (2026-02-01).
Apr 2026
2 mo newerFeb 2026
Provider Availability
GPT-6.1 Sol is available from OpenAI. Solar Mini 4 is available from Upstage.
GPT-6.1 Sol
Solar Mini 4
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6.1 Sol and Solar Mini 4 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6.1 Sol vs Solar Mini 4.