Recraft V4.1 Utility Pro vs Flux 1.1 Pro Ultra: Which AI Model Should You Choose?
Pricing, context windows, latency, capabilities, and a one-line code switch — everything you need to pick the right model.
Recraft V4.1 Utility Pro and Flux 1.1 Pro Ultra are closely matched on pricing and context. The right choice depends on your specific workload — see the table below for the full breakdown.
Side-by-side specs
| Spec | Recraft V4.1 Utility Pro | Flux 1.1 Pro Ultra |
|---|---|---|
| Provider | Replicate | Replicate |
| Category | Image Generation | Image Generation |
| Input cost / 1M tokens | n/a | n/a |
| Output cost / 1M tokens | n/a | n/a |
| Context window | — | — |
| Max output tokens | — | — |
| Avg. latency | — | 15.0s |
| Featured | — | Yes |
| New | Yes | — |
| Capabilities | text | jpg png |
Pricing example
A typical chat workload of 100,000 input tokens plus 50,000 output tokens.
100K in × n/a + 50K out × n/a
100K in × n/a + 50K out × n/a
Switch in one line
Both models live behind Railwail's OpenAI-compatible endpoint. Replace the model string and you are done.
import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.RAILWAIL_API_KEY,
baseURL: "https://railwail.com/v1",
});
// Before — using Recraft V4.1 Utility Pro
let r = await client.chat.completions.create({
model: "recraft-ai/recraft-v4.1-utility-pro",
messages: [{ role: "user", content: "Hello" }],
});
// After — switched to Flux 1.1 Pro Ultra
r = await client.chat.completions.create({
model: "black-forest-labs/flux-1.1-pro-ultra",
messages: [{ role: "user", content: "Hello" }],
});from openai import OpenAI
client = OpenAI(
api_key=os.environ["RAILWAIL_API_KEY"],
base_url="https://railwail.com/v1",
)
# Before — using Recraft V4.1 Utility Pro
r = client.chat.completions.create(
model="recraft-ai/recraft-v4.1-utility-pro",
messages=[{"role": "user", "content": "Hello"}],
)
# After — switched to Flux 1.1 Pro Ultra
r = client.chat.completions.create(
model="black-forest-labs/flux-1.1-pro-ultra",
messages=[{"role": "user", "content": "Hello"}],
)# Before — using Recraft V4.1 Utility Pro
curl https://railwail.com/v1/chat/completions \
-H "Authorization: Bearer $RAILWAIL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "recraft-ai/recraft-v4.1-utility-pro",
"messages": [{"role": "user", "content": "Hello"}]
}'
# After — switched to Flux 1.1 Pro Ultra
curl https://railwail.com/v1/chat/completions \
-H "Authorization: Bearer $RAILWAIL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "black-forest-labs/flux-1.1-pro-ultra",
"messages": [{"role": "user", "content": "Hello"}]
}'Which one wins for...
Quick verdicts derived from public specs. Always validate on your own workload.
Higher coding category match or larger context wins.
Bigger context window helps maintain long-form coherence.
The larger context window is the deciding factor.
Multimodal/vision support is required for image inputs.
Lower average latency wins for interactive UX.
The model with the lower input-token price wins.
Frequently asked questions
Try Recraft V4.1 Utility Pro and Flux 1.1 Pro Ultra side by side
One API key, one endpoint, both models. Start free — no credit card required.