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OpenAI: GPT-6 Sol (batch)

openai/gpt-6-sol:batch · OpenAIDeclared and measured agree

Tokenizer lineage (measured): GPT
Declared tokenizer tag: GPT
Entered catalogue: 22 September 2026
Measurement: Variant: inherits its base model’s measurement
Evidence confidence: Very high

Why very high: inherited from openai/gpt-6-sol: a serving variant shares its base model's tokenizer.

Evidence

✓ inherited from openai/gpt-6-sol: a serving variant shares its base model's tokenizer

Compare with OpenAI: GPT-6 Sol

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This entry is a serving variant of OpenAI: GPT-6 Sol. A variant shares its base model's tokenizer by construction, so the measurement lives on the base record and this page inherits it.

Identity statement

OpenAI: GPT-6 Sol (batch) is OpenAI's model. Its measured tokenizer sits with the GPT group, which is evidence that it builds on the GPT tokenizer. Tokenizer reuse is normal engineering, open vocabularies travel between labs, and this says nothing against OpenAI's authorship of the model itself.

What we checked

Four different kinds of evidence, and what each one showed

We checked	What we found	Where it came from
How it counts tokens	Not measured yet	we measured it
How its API is set up	Set up identically to 9 other listings, field for field	api_9af73392
How much it can read and write	Reads up to 1,050,000 tokens at once, writes up to 128,000	its own listing
Whether it thinks before answering	Reasons when asked to, at max, xhigh, high, medium, low, none, medium by default	its own listing

Declared record

What the catalogue claims about this model

GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier. It is suited for demanding professional...

Modalities: text+image+file->text
Declared tokenizer: GPT
Prompt price: $1.00 / M tokens
Completion price: $5.00 / M tokens

Supported parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetoolsverbosity

defaults: {"temperature":null,"top_p":null,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null}

Catalogue entry

History

Every observation, kept as taken

22 September 2026Enters the OpenRouter catalogue declared as GPT.