GPT-6.1 Sol Pro
OpenAI · released Sep 29, 2026
- Type
- Closed
- Input
- $2.00
- Output
- $10.00
- Cached
- $0.10
List price · per 1M tokens · OpenAI at 1.1M context · source ↗
Our take
Written Sep 30, 2026GPT-6.1 Sol Pro is a hosted-only model from OpenAI: we list no download for it, so using it means choosing a host. Nothing here measures how good its answers are, so treat it as a candidate to trial on work you can check yourself rather than a proven pick.
Reach for it when long documents would otherwise have to be split before sending, or when a single request needs to carry text, images and files together. Because we list no download, hosted use is the only route we can point you to. Skip it if you need measured evidence of coding, reasoning or chat quality, or if you meant to run the model on your own machine.
The case for it
- Long documents go in without being split up first, though reliable recall across the whole of one is unverified in our data.
- Text, images and files can travel in the same request, so a screenshot or a document does not have to be described in words first.
- The host you pick changes the bill several times over: the lowest listed rate sits far below the highest.
The case against it
- No benchmark scores are supplied, so nothing here says how well it codes, reasons or chats; it needs a trial on work you can judge yourself.
- We list no download for it, so using it means choosing a host and paying per token.
- The parameter count is not published, so there is no way to size the model from the specification.
How good is it?
We hold no score for this model.
So there is no figure here for everyday use, coding, agent work or writing. That is a gap in our data, not a low score.
Where to rent it
Prices checked 4 hours ago — each listing carries its own date.
OpenAI, through OpenRouter
The lab is the cheapest at this context. The strip above and this offer are the same one, compared at 1.1M of context. One cheaper row below is outside that comparison: a non-standard pricing tier.
- per 1M tokens
- $2.00 in / $10.00 out
- Context served
- 1.1M
- Throughput
- ~46 tok/s
| Provider | In / out per 1M tokens | Context | Throughput | Trains on prompts | Logs prompts | Zero retention |
|---|---|---|---|---|---|---|
| OpenAIflex tierThrough OpenRouter | $1.00 / $5.00checked 4 hours ago | 1.1M128K max reply | 10 tok/s | No | Yesunknown period | Unknown |
| OpenAIThrough OpenRouter | $2.00 / $10.00checked 4 hours ago | 1.1M128K max reply | 46 tok/s | No | Yesunknown period | Unknown |
| Microsoft Azure AIThrough OpenRouter | $2.00 / $10.00checked 4 hours ago | 1.1M128K max reply | 53 tok/s | No | No | Confirmed |
| OpenRouterOpenRouter's own listing | $2.00 / $10.00checked 4 hours ago | 1.1M | not measured | Unknown | Unknown | Unknown |
| Microsoft Azure AIusThrough OpenRouter | $2.20 / $11.00checked 4 hours ago | 1.1M128K max reply | 56 tok/s | No | No | Confirmed |
| Microsoft Azure AIeuThrough OpenRouter | $2.20 / $11.00checked 4 hours ago | 1.1M128K max reply | 56 tok/s | No | No | Confirmed |
| OpenAIfast tierThrough OpenRouter | $4.00 / $20.00checked 4 hours ago | 1.1M128K max reply | 76 tok/s | No | Yesunknown period | Unknown |
Microsoft Azure AI
OpenRouterAcross the 7 listings we hold: 6 say they do not train on prompts, 0 say they do and 1 does not say. 3 appear in the zero-retention registry we check; the rest are unknown to us.
What each host's API supports
From the parameter list each endpoint publishes. Streaming is omitted: nothing we hold reports it, for any model.
| Provider | Tool calling | JSON output | Strict schema |
|---|---|---|---|
| OpenAIflexThrough OpenRouter | ✓ | ✓ | ✓ |
| OpenAIThrough OpenRouter | ✓ | ✓ | ✓ |
| Microsoft Azure AIThrough OpenRouter | ✓ | ✓ | ✓ |
| OpenRouterOpenRouter's own listing | ✓ | ✓ | ✓ |
| Microsoft Azure AIusThrough OpenRouter | ✓ | ✓ | ✓ |
| Microsoft Azure AIeuThrough OpenRouter | ✓ | ✓ | ✓ |
| OpenAIfastThrough OpenRouter | ✓ | ✓ | ✓ |
Tool calling: 7 of 7 listings say yes. JSON output: 7 of 7 listings say yes. Strict schema: 7 of 7 listings say yes.
Models people weigh against GPT-6.1 Sol Pro
When we formed this view
Recent changes
What moved
first indexed by our pipelineWhat moved
New model detected on OpenRouter: openai/gpt-6.1-sol-proEach date is the day we first saw the change, or the day the maker announced it.
What we do not know about this model yet
- No independent board has scored it, so we hold no quality figures at all.
- Nothing we hold says whether an endpoint streams, so we do not show it either way.
- 1 of 7 listings does not say whether it trains on prompts.
- We hold no batch or off-peak rate for any of its listings.
Licence and identifiers
What the licence allowsWe hold no licence record for this model. Inside are the identifiers you need to pull it — its Hugging Face repo where we have one, our slug and a machine-readable card.
Licence
We hold no licence record for this model, and no record of published weights either — so we can neither summarise its terms nor point you at the weights.
Identifiers
- Takes in, gives back
- Text, images and documents in, text out
- Catalogue slug
- openai-gpt-6-1-sol-pro