gpudiff the public record of change in GPU cloud pricing

solar-pro4 API price — 2 gateways compared

Cheapest right now: Glama at $0.03/MTok in — 3.0× cheaper than the priciest gateway.

from $0.03 per million input tokens · 3.0× spread between gateways · updated continually

Fees beyond the token price

• OpenRouter: No markup on token prices (provider pass-through), but credit purchases cost 5.5% via card ($0.80 minimum) or 5% via crypto; BYOK usage above the monthly allowance is charged 5%. source

Changelog for solar-pro4

• 2026-09-12 openrouter listed upstage-solar-pro4-output at 0.36 usd_per_mtok
• 2026-09-12 openrouter listed upstage-solar-pro4-input at 0.09 usd_per_mtok
• 2026-09-11 openrouter delisted upstage-solar-pro4-output
• 2026-09-11 openrouter delisted upstage-solar-pro4-input

solar-pro4 pricing FAQ

How much does solar-pro4 cost per million tokens?

The cheapest tracked gateway charges $0.03 per million input tokens and $0.12 per million output tokens (Glama). Prices refresh continually.

Which gateway is cheapest for solar-pro4?

Glama for input tokens and Glama for output tokens, among the 2 gateways we track.

Do solar-pro4 prices differ between gateways?

Yes — the most expensive tracked gateway charges 3.0× the cheapest for input tokens. Identical model, identical tokens, different bill.

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