o3 Paid vs 
Solar Pro 3 Paid
o3 vs Solar Pro 3 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
o3 — full profile › · Solar Pro 3 — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$8 /M outputManaged API (no infra to run)
$0.6 /M outputManaged API (no infra to run)
o3 vs Solar Pro 3 specs
| Spec | o3 | Solar Pro 3 | Winner |
|---|---|---|---|
| Maker | OpenAI | Upstage | – |
| Type | Proprietary | Proprietary | – |
| Context window | 200K tokens | 131K tokens | |
| Input price | $2/M | $0.15/M | |
| Output price | $8/M | $0.6/M | |
| Vision / multimodal | Yes | No | |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
Solar Pro 3 is ~13× cheaper than o3 on output tokens ($0.6 vs $8 per M tokens).
- You want frontier performance through a managed API
- You need the longer 200K context window
- 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 | o3 | Solar Pro 3 |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✗ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✗ |
Benchmarks: o3 vs Solar Pro 3
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How o3 and Solar Pro 3 score
| Criterion | o3 | Solar Pro 3 |
|---|---|---|
| Cost-efficiency | 3.5 | 5.0 |
| Context window | 4.0 | 3.5 |
| 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.
What each model is
o3 Paid
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....
Solar Pro 3 Paid
Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency. Optimized...
Other models in these families
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Frequently asked questions
o3 vs Solar Pro 3 — which is cheaper?
Solar Pro 3 is cheaper on output ($0.6/M vs $8/M).
Which has the larger context window?
o3 offers the larger context window (200K tokens).
o3 vs Solar Pro 3 — which should I pick in 2026?
Choose Solar Pro 3 for the lower output price ($0.6/M vs $8/M). Choose o3 if you need the larger 200K 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 →