Synth 2.5 Pro Preview
NanoGPT
Synth 2.5 Pro Preview by NanoGPT costs $0.10 per 1M input tokens and $0.20 per 1M output tokens, with a 30K-token context window.
Pricing
Input (per 1M tokens)
$0.10
Output (per 1M tokens)
$0.20
Cached input (per 1M)
—
Specifications
- Provider
- NanoGPT
- Context window
- 30K tokens
- Parameters
- —
- Released
- Sep 2026
- Open weights
- No
- Frontier model
- No
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FAQ
How much does Synth 2.5 Pro Preview cost?
Synth 2.5 Pro Preview is priced at $0.10 per 1M input tokens and $0.20 per 1M output tokens. Output tokens cost more than input.
What is Synth 2.5 Pro Preview's context window?
Synth 2.5 Pro Preview supports a context window of 30K tokens — the maximum prompt plus response length it can handle in a single request.
Is Synth 2.5 Pro Preview open weight?
No — Synth 2.5 Pro Preview is a closed/proprietary model accessed via API.
Data as of 2026-10-25. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.