GPT Image 2.5 SunburstvsRiverflow V2.5 Pro
Riverflow V2.5 Pro is cheaper than GPT Image 2.5 Sunburst at $0/M vs $5/M input tokens.
| Spec | GPT Image 2.5 Sunburst | Riverflow V2.5 Pro |
|---|---|---|
| Input price | $5/M tokens | Free |
| Output price | $30/M tokens | Free |
| Context window | — | 8K tokens |
| Weights | Closed | — |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Jun 2026 |
Our Verdict
GPT Image 2.5 Sunburst
Riverflow V2.5 ProRunner-up
Not enough votes to call it. On the specs, GPT Image 2.5 Sunburst has the edge: newer, major provider backing.
Too close to call
API pricing
Cost per 1M tokens
GPT Image 2.5 Sunburst
Input
$5.00
Output
$30.00
Riverflow V2.5 Pro
Input
$0.000
Output
$0.000
Where to run it
2 hosts
GPT Image 2.5 Sunburst1 host
Riverflow V2.5 Pro1 host
Per million tokens. Prices and uptime via OpenRouter, checked 11 Sep 2026.
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
More comparisons
GPT Image 2.5 Sunburst vs Nano Banana 2 LiteNew provider
GPT Image 2.5 Sunburst vs Recraft V4.1New provider
GPT Image 2.5 Sunburst vs Recraft V4.1 ProNew provider
GPT Image 2.5 Sunburst vs FiboNew provider
GPT Image 2.5 Sunburst vs Imagen 3New provider
GPT Image 2.5 Sunburst vs Imagen 3 FastNew provider
GPT Image 2.5 Sunburst vs Imagen 4New provider
GPT Image 2.5 Sunburst vs Imagen 4 FastNew provider