GPT-5.2-Codex vs Nova Premier 1.0.
model vs model · prices as of
GPT-5.2-Codex takes 3 of 5 rounds against Nova Premier 1.0. It is also the cheaper of the two to run, at $17.80 per million tokens against $20.
OpenAIwins 3 roundsGPT-5.2-Codex
$17.80/M tokens
cheapest we can explain, at Poe · $1.74 per 1,000 pages
400k context · tool calling · reads images
Nova Premier 1.0
$20/M tokens
OpenRouter list price, nothing below it is accounted for · $2.25 per 1,000 pages
1M context · tool calling · reads images
List price in (lower wins)
$1.75/M
$2.50/M
List price out (lower wins)
$14/M
$12.50/M
Cheapest we can explain (lower wins)
$17.80/M at Poe
none below list
Standard price (lower wins)
$19.25/M
$20/M
Cost per 1,000 pages (lower wins)
$1.74
$2.25
Context
400k tokens
1M tokens
Open weights
not stated
not stated
Tool calling
yes
yes
Structured output
yes
no
Reads images
yes
yes
Reasoning
yes
no
Released
14 Jan 2026
31 Oct 2025
Providers selling it
22
4
Price we measure against
OpenRouter
OpenRouter
Trains on your prompts (no is better)
not stated
no provider to check
Providers selling both · 3
Kilo Gateway$19.25 / $20
Nous Portal$19.25 / $20
OpenRouter$19.25 / $20
GPT-5.2-Codex then Nova Premier 1.0, per million tokens
Go further
Add a third or fourth model, or switch the weighting, in the tool.
What moved in the last seven days
- GPT-5.2-CodexNous Portal$1.40 / $11.20 $1.75 / $1425% dearer ·
- Nova Premier 1.0Nous Portal$2 / $10 $2.50 / $12.5025% dearer ·
Frequently asked
- Which is cheaper, GPT-5.2-Codex or Nova Premier 1.0?
- GPT-5.2-Codex, at $17.80 per million tokens against $20 for Nova Premier 1.0, three parts input to one part output, read on 16 Sept 2026.
- Where is each one cheapest?
- GPT-5.2-Codex: $17.80 at Poe. Nova Premier 1.0: nobody goes below OpenRouter's own price with a reason we can point at, so $20 is the number to beat.
- Can I buy both from one provider?
- Yes. 3 providers sell both: Kilo Gateway, Nous Portal, OpenRouter. The cheapest of them for the two together is Kilo Gateway.
- Which holds more context?
- Nova Premier 1.0, at 1M tokens against 400k.
Prices exclude tax and are per million tokens, read 16 Sept 2026 from each provider's own catalog. The standard price blends three parts input to one part output; a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.