GPT-4o Paid vs 
Sonar Deep Research Paid
GPT-4o vs Sonar Deep Research compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
GPT-4o — full profile › · Sonar Deep Research — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$10 /M outputManaged API (no infra to run)
$8 /M outputManaged API (no infra to run)
GPT-4o vs Sonar Deep Research specs
| Spec | GPT-4o | Sonar Deep Research | Winner |
|---|---|---|---|
| Maker | OpenAI | Perplexity | – |
| Type | Proprietary | Proprietary | – |
| Context window | 128K tokens | 128K tokens | = Tie |
| Input price | $2.5/M | $2/M | |
| Output price | $10/M | $8/M | |
| Vision / multimodal | Yes | No | |
| Tool / function calling | Yes | No | |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
- 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 want the lower output price
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | GPT-4o | Sonar Deep Research |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✗ |
| Tool / function calling | ✓ | ✗ |
| 1M+ context window | ✗ | ✗ |
Benchmarks: GPT-4o vs Sonar Deep Research
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How GPT-4o and Sonar Deep Research score
| Criterion | GPT-4o | Sonar Deep Research |
|---|---|---|
| Cost-efficiency | 3.5 | 3.5 |
| Context window | 3.5 | 3.5 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 2.0 |
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
GPT-4o Paid
GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as...
Sonar Deep Research Paid
Sonar Deep Research is a research-focused model designed for multi-step retrieval, synthesis, and reasoning across complex topics. It autonomously searches, reads, and evaluates sources, refining its approach as it gathers...
Frequently asked questions
GPT-4o vs Sonar Deep Research — which is cheaper?
Sonar Deep Research is cheaper on output ($8/M vs $10/M).
Which has the larger context window?
GPT-4o offers the larger context window (128K tokens).
GPT-4o vs Sonar Deep Research — which should I pick in 2026?
Choose Sonar Deep Research for the lower output price ($8/M vs $10/M). Choose GPT-4o if you need the larger 128K context window.
People also compare
Explore more open-source AI
Browse the full open-source model leaderboard, thousands of tools and live benchmarks — all in one place.
Open the leaderboard →