Is Nova Premier 1.0 or GPT-5.3 Codex cheaper?

Nova Premier 1.0 is cheaper on output tokens ($12.50 vs $14.00 per 1M).

Which has the larger context window, Nova Premier 1.0 or GPT-5.3 Codex?

Nova Premier 1.0 has the larger context window (1M tokens).

Nova Premier 1.0 vs GPT-5.3 Codex

Nova Premier 1.0 is cheaper on output tokens, while Nova Premier 1.0 offers a larger context window. Choose Nova Premier 1.0 or GPT-5.3 Codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Nova Premier 1.0	GPT-5.3 Codex
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$2.50	$1.75
Output / 1M tokens	$12.50	$14.00
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Oct 2025	Feb 2026

Nova Premier 1.0 details →GPT-5.3 Codex details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.