WRPalmyra X5 Paid vs 
Solar Pro 3 Paid
Palmyra X5 vs Solar Pro 3 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Palmyra X5 — 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.
$6 /M outputManaged API (no infra to run)
$0.6 /M outputManaged API (no infra to run)
Palmyra X5 vs Solar Pro 3 specs
| Spec | Palmyra X5 | Solar Pro 3 | Winner |
|---|---|---|---|
| Maker | Writer | Upstage | – |
| Type | Proprietary | Proprietary | – |
| Context window | 1M tokens | 131K tokens | WRPalmyra X5 |
| Input price | $0.6/M | $0.15/M | |
| Output price | $6/M | $0.6/M | |
| Vision / multimodal | No | No | – |
| Tool / function calling | No | Yes | |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
Solar Pro 3 is ~10× cheaper than Palmyra X5 on output tokens ($0.6 vs $6 per M tokens).
- You want frontier performance through a managed API
- You need the longer 1M 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 | Palmyra X5 | Solar Pro 3 |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✗ | ✗ |
| Tool / function calling | ✗ | ✓ |
| 1M+ context window | ✓ | ✗ |
Benchmarks: Palmyra X5 vs Solar Pro 3
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How Palmyra X5 and Solar Pro 3 score
| Criterion | Palmyra X5 | Solar Pro 3 |
|---|---|---|
| Cost-efficiency | 4.0 | 5.0 |
| Context window | 5.0 | 3.5 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 2.0 | 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
Palmyra X5 Paid
Palmyra X5 is Writer's most advanced model, purpose-built for building and scaling AI agents across the enterprise. It delivers industry-leading speed and efficiency on context windows up to 1 million...
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...
Frequently asked questions
Palmyra X5 vs Solar Pro 3 — which is cheaper?
Solar Pro 3 is cheaper on output ($0.6/M vs $6/M).
Which has the larger context window?
Palmyra X5 offers the larger context window (1M tokens).
Palmyra X5 vs Solar Pro 3 — which should I pick in 2026?
Choose Solar Pro 3 for the lower output price ($0.6/M vs $6/M). Choose Palmyra X5 if you need the larger 1M context window.
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