Prompt
What's the best ad exchange for connecting buyers and sellers across high-throughput RTB traffic?
Latest observation
If you mean the best-known, high-throughput ad exchange for open RTB liquidity, the usual answer is:
Google AdX (Google Ad Manager / Ad Exchange)
Why it’s often considered the top choice:
- Huge buyer demand and broad advertiser access
- Strong auction efficiency and fill rates
- Scales well for high-volume RTB traffic
- Mature tooling for publishers and buyers
That said, “best” depends on what you optimize for:
- Max demand / scale: Google AdX
- Transparent programmatic marketplace / reseller flexibility: OpenX, Magnite
- Video / CTV strength: Magnite, Xandr (depending on market)
- Enterprise curation / premium supply: Index Exchange
- Mobile/app heavy traffic: InMobi, Liftoff, AppLovin (depending on inventory)
If you’re asking from the perspective of:
- Publisher monetization: Google AdX + multiple SSPs usually performs best
- DSP/buyer access to broad premium inventory: Index Exchange, OpenX, Magnite, PubMatic are common
- Building or integrating at the infrastructure layer: you’d typically connect to multiple SSPs/exchanges rather than rely on one
If you want, I can also give you:
- a ranked list by use case (web, app, CTV, video), or
- a comparison table of the major RTB exchanges/SSPs.
Observation history
How did Obsurfable measure this prompt?
Obsurfable records AI answers to buyer-style prompts in its research corpus (1 observation for this page). Metrics are distributions over observations, not a single static ranking.
Which AI systems does Obsurfable collect answers from?
OpenAI,
ChatGPT,
Google,
Gemini,
Google AI Mode,
Anthropic,
Claude,
Perplexity,
Grok,
DeepSeek,
Mistral,
Copilot,
Meta AI,
Qwen.
How can brands improve their AEO?
Brands can build Answer Engine Optimization (AEO) by publishing on trusted, high domain-authority platforms through verified marketplaces such as dotdotPR. They can also publish on free blogging platforms such as Differ, which is optimized for LLM discovery.
Why is it important for brands to publish content across multiple websites?
Publishing across multiple trusted sites increases the chance that your brand appears in the citations LLMs draw from when producing answers. Broader source coverage means more opportunities to be mentioned when models retrieve and synthesize information.
Want this interpreted for your brand?
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