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GPT-6 Sol Pro

gpt1.1M context128k max outputreleased Sep 22, 2026ReasoningTool calling

As of Oct 4, 2026, the cheapest GPT-6 Sol Pro API price is $2 per 1M input tokens (Kilo Gateway) and $10 per 1M output tokens (Kilo Gateway). GPT-6 Sol Pro is offered by 3 providers in the gpt family, reasoning enabled.

Cheapest input
$2
Kilo Gateway
Cheapest output
$10
Kilo Gateway
Official
—
output per 1M tokens
Providers
3
offering this model
Spread
1.0×
max / min output

API pricing by provider

Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.

GPT-6 Sol Pro API prices by provider in USD per 1M tokens, updated Oct 4, 2026
Provider1M input1M output1M cache read1M cache writeContext
Kilo GatewayCheapest$2Cheapest$10$0.2$2.51.1M
NanoGPT$2$10$0.2$2.51.1M
OpenRouter†$2$10$0.2$2.51.1M

GPT-6 Sol Pro pricing FAQ

What is the cheapest GPT-6 Sol Pro API?

As of Oct 4, 2026, Kilo Gateway has the lowest GPT-6 Sol Pro output price at $10 per 1M tokens, and Kilo Gateway has the lowest input price at $2 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

How many providers offer GPT-6 Sol Pro?

3 providers list GPT-6 Sol Pro on Sovyron; 3 of them sell it at a metered per-token price.

Is GPT-6 Sol Pro free?

No provider in the Sovyron catalog lists a free tier for GPT-6 Sol Pro.

What is the context window of GPT-6 Sol Pro?

GPT-6 Sol Pro supports a 1.1M-token context window and up to 128k output tokens.