Where Together AI genuinely wins
Together's edge is the open-source ecosystem. If you need to fine-tune an open-weight model on your dataset, deploy it on a dedicated GPU instance with predictable throughput, and call it from an OpenAI-shaped endpoint — that's exactly the workflow Together is engineered for. They run their own inference infrastructure rather than reselling, and publish per-model rates for the open-weight catalog.
Where Kunavo wins
Frontier closed-source coverage. Together does not resell Claude or OpenAI's hosted GPT — you go to those providers directly, or to an aggregator like Kunavo. The moment your product needs Claude Opus reasoning, GPT-5.6 Terra's long-context analysis, GPT-Image or Suno music, Together is not the answer. Kunavo also delivers a lower price point on those frontier models (under official list depending on the model), with one Stripe checkout that covers cards, Apple Pay, Pix, Alipay and WeChat Pay — important for self-serve global products.
Use them together
These are actually complementary stacks for many production setups. Run your fine-tuned OSS model on Together's dedicated endpoint for cost-sensitive workhorse tasks (classification, embeddings, ranking), and call Kunavo for the frontier reasoning, vision and generation calls. Both are OpenAI-compatible, so most code stays the same — you switch base_url per environment.
How you pay: Together AI vs Kunavo
Together AI is unusually explicit about this, which makes the comparison easy to run. Kunavo's checkout is Stripe-native, so the list follows the buyer rather than our billing country, and every method tops up the same prepaid API balance. Everywhere Stripe reaches: cards (Visa, Mastercard, Amex, JCB, UnionPay); everywhere except India, also Link and, on devices where they are set up, Apple Pay or Google Pay. In the United States: Cash App Pay, Klarna, Afterpay, ACH bank debit (3–5 business days to clear) and crypto (stablecoins), plus Affirm on top-ups of $100 and up and Zip on top-ups of $100 to $1,500. Elsewhere the local rail appears with the local currency: Alipay and WeChat Pay in mainland China; KakaoPay, Naver Pay, PAYCO, Samsung Pay and Korean domestic cards in South Korea; UPI in India; Pix in Brazil; iDEAL in the Netherlands, Bancontact in Belgium, EPS in Austria, MB WAY in Portugal, Satispay in Italy; BLIK in Poland; Bacs Direct Debit in the UK (a few business days to clear); and Pay by Bank for buyers in the UK, Ireland and Finland. Stripe converts the dollar amount into local currency on the checkout page, so nobody has to hunt for a card cleared for international purchases; its rate includes a 2–4% conversion fee, which paying in dollars avoids. Its billing documentation names exactly two ways to fund an account: major credit and debit cards on Visa, Mastercard and American Express — prepaid cards refused — and ACH from a US bank account, limited to US institutions that support instant verification. That is a clean list, and a US-shaped one. Funding from Brazil, from mainland China, or from a phone rather than a bank, the card is the only door Together leaves open.