GPT-6.1 Sol Ultrafast API: Pricing and Specs

GPT-6.1 Sol Ultrafast API

GPT-6.1 Sol Ultrafast is a large language model by OpenAI, available on the Venice API as openai-gpt-61-sol-ultrafast. Requests are anonymized, so the provider never sees your identity.GPT-6.1 Sol Ultrafast is the same model served in OpenAI’s Ultrafast mode, up to 8x faster. It has a 1.05M token context window (922K input, 128K output), support for text and image inputs, and reasoning effort from low through max.

GPT-6.1 Sol Ultrafast API pricing

Model ID	Variant	Privacy	Price
`openai-gpt-61-sol-ultrafast`	Standard	Anonymized	$12.00 / $60.00 per 1M

GPT-6.1 Sol Ultrafast specifications

Spec	Value
Provider	OpenAI
Released	Oct 8, 2026
Privacy	Anonymized
Status	Stable
Context window	1.05M tokens
Max output	128K tokens
Reasoning effort	low, medium, high, xhigh, max

How to use the GPT-6.1 Sol Ultrafast API

Send requests to POST https://api.venice.ai/api/v1/responses with "model": "openai-gpt-61-sol-ultrafast" and your API key.

curl https://api.venice.ai/api/v1/responses \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai-gpt-61-sol-ultrafast",
    "input": "Explain TEE attestation in two sentences.",
    "reasoning": { "effort": "high" }
  }'

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