Sonar Pro Search Paid vs 
GPT-6 Luna Pro Paid
Sonar Pro Search vs GPT-6 Luna Pro compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Sonar Pro Search — full profile › · GPT-6 Luna Pro — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$15 /M outputManaged API (no infra to run)
$0.5 /M outputManaged API (no infra to run)
Sonar Pro Search vs GPT-6 Luna Pro specs
| Spec | Sonar Pro Search | GPT-6 Luna Pro | Winner |
|---|---|---|---|
| Maker | Perplexity | OpenAI | – |
| Type | Proprietary | Proprietary | – |
| Context window | 200K tokens | 1.1M tokens | |
| Input price | $3/M | $0.1/M | |
| Output price | $15/M | $0.5/M | |
| Vision / multimodal | Yes | Yes | = Tie |
| Tool / function calling | No | Yes | |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
GPT-6 Luna Pro is ~30× cheaper than Sonar Pro Search on output tokens ($0.5 vs $15 per M tokens).
- You want frontier performance through a managed API
- You value reliability & ecosystem
- You don't want to manage infrastructure
- You want frontier performance through a managed API
- You need the longer 1.1M context window
- You want the lower output price
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | Sonar Pro Search | GPT-6 Luna Pro |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✓ |
| Tool / function calling | ✗ | ✓ |
| 1M+ context window | ✗ | ✓ |
How Sonar Pro Search and GPT-6 Luna Pro score
| Criterion | Sonar Pro Search | GPT-6 Luna Pro |
|---|---|---|
| Cost-efficiency | 3.0 | 5.0 |
| Context window | 4.0 | 5.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 3.5 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
Sonar Pro Search Paid
Exclusively available on the OpenRouter API, Sonar Pro's new Pro Search mode is Perplexity's most advanced agentic search system. It is designed for deeper reasoning and analysis. Pricing is based...
GPT-6 Luna Pro Paid
GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...
Frequently asked questions
Sonar Pro Search vs GPT-6 Luna Pro — which is cheaper?
GPT-6 Luna Pro is cheaper on output ($0.5/M vs $15/M).
Which has the larger context window?
GPT-6 Luna Pro offers the larger context window (1.1M tokens).
Sonar Pro Search vs GPT-6 Luna Pro — which should I pick in 2026?
Choose GPT-6 Luna Pro for the lower output price ($0.5/M vs $15/M). It also gives you the larger 1.1M context window.
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