B1

Heavyweight · Mainframe

B3
B2

GPT-6.1 Sol

OpenAI · Max

GPT-6.1 Sol imagined as a retro AI machineHeavyweight
  • Intelligence51.8
  • Hallucination54%
  • Context1M
  • KnowledgeApr 2026
  • Speed56tok/s
  • Response336s
  • Price$4.00
  • Modalities3
B2 · HeavyweightReasoningSeason 2026
Play with this deck

GPT-6.1 Sol

OpenAI · Big, capable everyday models that cost less than the flagships.

B2 · Heavyweightepic

Card stats

  • Intelligence ▲ higher wins

    Intelligence Index: a composite score from 10 hard evaluations covering reasoning, knowledge, coding, agents and science.

    51.8

    beats 87% of deck

  • Hallucination ▼ lower wins

    Hallucination rate: of the questions a model gets wrong, how often it confidently makes up an answer instead of saying it doesn't know. Lower wins.

    54 %

    beats 48% of deck

  • Context ▲ higher wins

    Context window: how many tokens of input the model can consider at once.

    1M

    beats 65% of deck

  • Knowledge ▲ higher wins

    Training-data cutoff: the most recent month the model learned about. Later wins. N/D means the lab hasn't disclosed it, and an N/D card loses this stat.

    Apr 2026

    beats 76% of deck

  • Speed ▲ higher wins

    Median output speed in tokens per second, measured on the labs' own APIs.

    56 tok/s

    beats 19% of deck

  • Response ▼ lower wins

    End-to-end response time: seconds to receive a 500-token answer, thinking time included. Lower wins.

    336 s

    beats 10% of deck

  • Price ▼ lower wins

    Blended price per million tokens (3:1 input to output). Lower wins.

    $4.00

    beats 21% of deck

  • Modalities ▲ higher wins

    Number of supported input and output modalities: text, image, audio and video.

    3

    beats 45% of deck

Model facts

Released
2026-09-29
Weights
Proprietary
Parameters
Undisclosed
Reasoning
Yes · tested at Max
Price in / out
$2 / $10 per 1M
Time to first token
326.94 s
Humanity’s Last Exam
52.9%
GPQA Diamond
—
SciCode
54.2%

Sources how we source the numbers