o3 vs Sonar compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
o3 — full profile › · Sonar — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
| Spec | o3 | Sonar | Winner |
|---|---|---|---|
| Maker | OpenAI | Perplexity | – |
| Type | Proprietary | Proprietary | – |
| Context window | 200K tokens | 127K tokens | |
| Input price | $2/M | $1/M | |
| Output price | $8/M | $1/M | |
| Vision / multimodal | Yes | Yes | = Tie |
| Tool / function calling | Yes | No | |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Sonar is ~8.0× cheaper than o3 on output tokens ($1 vs $8 per M tokens).
| Capability | o3 | Sonar |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✓ |
| Tool / function calling | ✓ | ✗ |
| 1M+ context window | ✗ | ✗ |
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
| Criterion | o3 | Sonar |
|---|---|---|
| Cost-efficiency | 3.5 | 4.5 |
| Context window | 4.0 | 3.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 3.5 |
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.
o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following....
Sonar is lightweight, affordable, fast, and simple to use — now featuring citations and the ability to customize sources. It is designed for companies seeking to integrate lightweight question-and-answer features...
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Sonar is cheaper on output ($1/M vs $8/M).
o3 offers the larger context window (200K tokens).
Choose Sonar for the lower output price ($1/M vs $8/M). Choose o3 if you need the larger 200K context window.
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