GPT-6.1 Sol vs Inkling
GPT-6.1 Sol leads the LLM Stats Score 52.0 to 37.2. Inkling is 2.3x cheaper per token.
OpenAI · Thinking Machines Lab · Updated for 2026
Which is better?
GPT-6.1 Sol leads the overall LLM Stats Score 52.0 to 37.2, ranking #11 overall.
On price, Inkling is roughly 2.3x 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 52.0 and ranks #11 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
Choose Inkling
- cost matters — it's about 2.3x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
10 reported for GPT-6.1 Sol · 16 for Inkling
GPT-6.1 Sol and Inklingdon'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
For input processing, GPT-6.1 Sol ($2.00/1M tokens) is 2.1x more expensive than Inkling ($0.95/1M tokens).
For output processing, GPT-6.1 Sol ($10.00/1M tokens) is 2.5x more expensive than Inkling ($4.05/1M tokens).
In conclusion, GPT-6.1 Sol is more expensive than Inkling.*
* 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 Inkling's 524,288 tokens. Inkling can generate longer responses up to 524,288 tokens, while GPT-6.1 Sol is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Both GPT-6.1 Sol and Inkling support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-6.1 Sol
Inkling
License
Usage and distribution terms
GPT-6.1 Sol is licensed under a proprietary license, while Inkling uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
GPT-6.1 Sol was released on 2026-09-29, while Inkling was released on 2026-07-21.
GPT-6.1 Sol is 2 months newer than Inkling.
Sep 29, 2026
2 days ago
2mo newerJul 21, 2026
2 months ago
Knowledge Cutoff
When training data ends
GPT-6.1 Sol has a documented knowledge cutoff of 2026-04-30, while Inkling's cutoff date is not specified.
We can confirm GPT-6.1 Sol's training data extends to 2026-04-30, but cannot make a direct comparison without Inkling's cutoff date.
Apr 2026
—
Provider Availability
GPT-6.1 Sol is available from OpenAI. Inkling is available from DeepInfra.
GPT-6.1 Sol
Inkling
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6.1 Sol and Inkling side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6.1 Sol vs Inkling.