OpenAI: GPT Image 2.6 Sunburst vs Sourceful: Riverflow V2.6 Pro
A side-by-side comparison of OpenAI: GPT Image 2.6 Sunburst ($28.00 / 1M tokens) and Sourceful: Riverflow V2.6 Pro ($0.46 / image) using current USD prices and capabilities from the api14 catalog. Both run through the same OpenAI-compatible API.
Specifications
| OpenAI: GPT Image 2.6 Sunburst | Sourceful: Riverflow V2.6 Pro | |
|---|---|---|
| Provider | OpenAI | Sourceful |
| Input | $28.00 / 1M tokens | - |
| Output | $28.00 / 1M tokens | - |
| Cache read | $7.00 / 1M tokens | - |
| Cache write | $35.00 / 1M tokens | - |
| Image output | $105.00 / 1M tokens | $0.46 / image |
| Web search | $35.00 / 1K searches | - |
| Context window | 400,000 | 32,768 |
| Max output | 360,000 | 29,491 |
| Input | text, image | text, image |
| Output | image | image |
| Tool calling | ||
| Structured output | ||
| Reasoning control | ||
| Added | Nov 4, 2026 | Oct 29, 2026 |
Key differences
- OpenAI: GPT Image 2.6 Sunburst reads 12.2× more context (400,000 tokens).
- Only OpenAI: GPT Image 2.6 Sunburst supports structured JSON output.
- Only Sourceful: Riverflow V2.6 Pro supports reasoning effort control.
Switch with one string
Both models use the same endpoint and request shape. Change the model value from "openai/gpt-image-2.6-sunburst" to "sourceful/riverflow-v2.6-pro" and prompts, streaming and tools keep working.
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api14.com/api/v1",
apiKey: process.env.API14_API_KEY,
});
const result = await client.images.generate({
"model": "sourceful/riverflow-v2.6-pro",
"prompt": "A minimalist product photo of a ceramic mug on a wooden table",
"n": 1,
"aspect_ratio": "1:1"
});
import { writeFile } from "node:fs/promises";
await writeFile("image.png", Buffer.from(result.data[0].b64_json, "base64"));
More comparisons
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- OpenAI: GPT Image 2.6 Flare vs Auto Code
- OpenAI: GPT Image 2.6 Flare vs Sourceful: Riverflow V2.6 Pro
- OpenAI: GPT Image 2.6 Sunburst vs Auto Router
- OpenAI: GPT Image 2.6 Sunburst vs Auto Code
- Auto Router vs Auto Code
- Auto Router vs Sourceful: Riverflow V2.6 Pro