Every line, version by version

GPT-6 versions compared

Every GPT-6 version in one table: input, output and cached prices, context window, benchmark scores, and what a month of your usage costs on each one.

The short version

  • GPT-6 astra costs 9900% more than GPT-6 luna per output token
  • GPT-6 luna is the cheapest version in this line at $0.300 per million blended tokens

Every GPT-6 version in one table

Prices are read live from the provider pricing pages, so this table cannot go stale.

VersionTierStatusReleasedInputOutputCachedContextBlended /1MSample /mo
6
Price your own usage
FlagshipActive2026-09-03$10.00$50.00$1.001,050K$30.00$57.50Long context ≥272,000
GPT-6 sol
6
Price your own usage
BalancedActive—$2.00$10.00$0.2001,050K$6.00$11.50Long context ≥272,000
GPT-6 lunaCheapest
6
Price your own usage
LiteActive—$0.100$0.500$0.0101,050K$0.300$0.575Long context ≥272,000

Sample cost = 1M input + 500K output tokens per month at list price. A model with a long-context band is priced on that band — the rule is printed in the row. Use the calculator below for your own workload.

What changed at each step

Only the differences we can prove from the pricing and score records — a price that moved, a context window that grew, a benchmark both versions report.

  1. GPT-6 sol→GPT-6 astra
    • Input price up 400% ($2.00 → $10.00)
    • Output price up 400% ($10.00 → $50.00)
    • Cached price up 400% ($0.200 → $1.00)
  2. GPT-6 luna→GPT-6 sol
    • Input price up 1900% ($0.100 → $2.00)
    • Output price up 1900% ($0.500 → $10.00)
    • Cached price up 1900% ($0.010 → $0.200)

Benchmark scores

Only one version of this line has a verifiable score set so far, so there is nothing to compare it against yet.

Which version to use

  • Top of the line: GPT-6 astra
  • Middle of the line: GPT-6 sol
  • Cheapest tier: GPT-6 luna

What your usage would cost

Adjust the monthly volume — every version of the line recomputes instantly.

GPT-6 astra
$900/mo
GPT-6 sol
$180/mo
GPT-6 luna
$9.00/mo

List price only: cached input, batch discounts and off-peak rates are not included. The sample column prices 1M input + 500K output tokens per month.

Sources

Compare two versions of GPT-6

All version series