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Migration guide · 5 minutes

Together AI → QuickSilver Pro

Both APIs speak the OpenAI chat-completions shape, so the move is a base-URL swap. On DeepSeek R1 that swap is worth ~71% on output ($2.00 vs $7.00 per 1M tokens); on V3, ~44%. For the full side-by-side analysis, see /vs/together-ai.

The steps

  1. 1

    Get a QuickSilver Pro API key

    Sign up at quicksilverpro.io/dashboard. Launch bonus: top up between $5 and $50 and we match it 100% — pay $5, get $10; pay $50, get $100.

  2. 2

    Change the base URL

    In your OpenAI SDK init, swap the base_url.

    - base_url="https://api.together.xyz/v1"
    + base_url="https://api.quicksilverpro.io/v1"
  3. 3

    Swap the API key

    Replace your Together token with a QuickSilver Pro key.

    - api_key=os.environ["TOGETHER_API_KEY"],
    + api_key=os.environ["QSP_KEY"],
  4. 4

    Rename model IDs

    Together prefixes model IDs with the originating org. Drop the prefix and use the QuickSilver Pro short name.

    Together AIQuickSilver Pro
    deepseek-ai/DeepSeek-V3deepseek-v3
    deepseek-ai/DeepSeek-R1deepseek-r1
  5. 5

    Test your core flows end-to-end

    Run one representative request for each feature you use — chat, streaming, tool / function calling, and json_schema strict mode. Any behavioral difference is a bug — report it.

Full before/after

Before · Together AI
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.together.xyz/v1",
    api_key=os.environ["TOGETHER_API_KEY"],
)

r = client.chat.completions.create(
    model="deepseek-ai/DeepSeek-R1",
    messages=[{"role": "user", "content": "Hi"}],
)
After · QuickSilver Pro
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.quicksilverpro.io/v1",
    api_key=os.environ["QSP_KEY"],
)

r = client.chat.completions.create(
    model="deepseek-r1",
    messages=[{"role": "user", "content": "Hi"}],
)

What you'll pay after switching

Per 1M tokens, input / output. QuickSilver Pro rates vs Together AI's published per-token pricing.

ModelQuickSilver ProTogether AISavings
DeepSeek V3$0.16 / $0.616$0.27 / $1.10~44%
DeepSeek R1$0.56 / $2.00$3.00 / $7.00~71%

Common migration pitfalls

Fine-tunes and dedicated endpoints don't move
QuickSilver Pro serves shared open-source models only. If you call Together fine-tuned models or reserved dedicated GPU endpoints, those have no QSP equivalent — keep them on Together and run both SDKs side-by-side.
Minimum top-up is lower, not a blocker
Together's minimum top-up is $25; QuickSilver Pro's is $5. Nothing breaks — the launch bonus also matches your first deposit 100% up to $50.
Model revision may differ
Together's deepseek-ai/DeepSeek-R1 tracks a specific upstream revision. QuickSilver Pro routes deepseek-r1 to its own pinned revision. If your evals are tuned to a particular output style, re-run them after switching.
Rate limits work differently
QuickSilver Pro applies per-key throughput caps (default 600 req/min, 1M tok/min, 8 parallel). For bursty traffic, enable retry-on-429 in your client and request a higher limit if needed.

Migrating from Together AI — FAQ

How much cheaper is QuickSilver Pro on DeepSeek R1?
On DeepSeek R1, ~81% cheaper on input and ~71% cheaper on output. Together charges $3.00/$7.00 per 1M tokens; QuickSilver Pro charges $0.56/$2.00.
How do I migrate from Together AI?
Change base_url from api.together.xyz/v1 to api.quicksilverpro.io/v1, swap API key, drop the deepseek-ai/ or Qwen/ prefix from model IDs.
When should I stay on Together AI?
If you fine-tune custom models, reserve dedicated GPU endpoints, use Llama or Mistral, or need embeddings/image generation. QuickSilver Pro is chat completions only on 7 models.
Same OpenAI features?
Yes for chat: streaming, tools, json_schema, usage.cost all work through the official OpenAI SDK.

Other migration guides

Need help?

Email hello@quicksilverpro.io — a human replies usually within 4 hours. For the broader analysis, see QuickSilver Pro vs Together AI.

Start saving in 5 minutes

Launch bonus: first deposit matched 100%, up to $50 free. Keep your code on the OpenAI SDK — only the base URL and key change.

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