Gpt 4o vs Solar Pro4

Live API pricing and availability, side by side. Both models run on FastInfra's OpenAI-compatible endpoint — switching between them is a one-line change.

Pricing

Price per 1M tokens

Prices are live and sync automatically from wholesale providers.

Gpt 4o Solar Pro4
Input $1.31 $0.03
Output $5.25 $0.13
Default provider OpenRouter OpenRouter
Providers available 2 1

On input tokens, Solar Pro4 is currently 41.7× cheaper than Gpt 4o on FastInfra. Output-token pricing and quality trade-offs differ per workload — test both with the free tier.

Quickstart

Try both in 30 seconds

Same endpoint, same SDK — only the model string changes.

from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.fastinfra.ai/v1")

for model in ["openai/gpt-4o", "upstage/solar-pro4"]:
    response = client.chat.completions.create(
        model=model,
        messages=[{"role": "user", "content": "Hello!"}]
    )
    print(model, "->", response.choices[0].message.content)