GPT 6.1 Sol API

OpenAI's GPT 6.1 Sol, through an OpenAI-compatible API. 2 providers quote it now, and each request goes to the offer with the lowest estimated charge that meets your rules.

Providers compete for each request. The exchange ranks the offers that meet your rules by estimated charge. It fixes your maximum charge before the first token, and you pay for the tokens that the model uses.
The OpenAI and Anthropic APIs. Use the OpenAI or Anthropic SDK that you have. Set the base URL and your key, and send gpt-6.1-sol as the model.
Your data rules. Send x-liquid-retention: none and only offers whose provider does not keep your content compete for the request.

Facts

Model name: gpt-6.1-sol
Maker: OpenAI
Context window: 272K · 1M tokens
Input price: $1.940 to $2.910 per million tokens
Output price: $7.104 to $9.700 per million tokens
Providers: 2 independent providers
Regions: us, us-east

Providers

Silicon Exchange: us-east, $1.940 input and $9.700 output per million tokens, $0.097 cache read per million tokens, 272K tokens of context
Pera: us, $2.910 input and $7.104 output per million tokens, $2.910 cache read per million tokens, $0.02 fee for each request, 1M tokens of context

Scores

Intelligence: 46.3, #6 of 41
HLE: 49.9, #9 of 273
AA-LCR: 83.3, #11 of 237
SciCode: 53.2, #40 of 123
SimpleQA Verified: 73.9, #3 of 126

Scores: Artificial Analysis (https://artificialanalysis.ai/)

Scores: Epoch AI, 'Capabilities & Benchmarking' (https://epoch.ai/benchmarks)

Request

curl https://router.inference.ai.exchange/v1/chat/completions \
  -H "Authorization: Bearer $LIQUID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-6.1-sol",
    "messages": [{"role":"user","content":"Say hello."}]
  }'

Questions

What is GPT 6.1 Sol?: Served by intent-router: each job goes to the cheapest healthy upstream for this model.
How much does GPT 6.1 Sol cost?: Offers now ask $1.940 to $2.910 per million input tokens and $7.104 to $9.700 per million output tokens. A job pays for the tokens it uses. The exchange picks the cheapest eligible offer.
What is the context length of GPT 6.1 Sol?: The largest offer takes 1,000,000 input tokens. A smaller offer can take less. The exchange skips an offer that cannot take your message.
What can GPT 6.1 Sol do?: Its providers list Vision, Reasoning effort, JSON object, JSON schema, Frequency penalty, Presence penalty, Seed, Stop sequences, Top-p sampling, Text, Tools.
What inputs and outputs does GPT 6.1 Sol support?: Text · Images → Text.
Which providers serve GPT 6.1 Sol?: 2 independent providers quote it now, with 2 offers. The table above ranks them by the cost of a typical job.
How do I call GPT 6.1 Sol?: Send "gpt-6.1-sol" as the model in an OpenAI or Anthropic request. The API section links to setup steps for each client.
When was GPT 6.1 Sol listed?: The exchange first listed it on 10/8/2026. This is not its release date.