Upstage: Solar Pro 3 vs OpenAI: GPT Sol Latest: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Upstage: Solar Pro 3 (upstage/solar-pro-3) vs OpenAI: GPT Sol Latest (~openai/gpt-sol-latest). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Upstage: Solar Pro 3 (upstage/solar-pro-3) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Upstage: Solar Pro 3: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.075/1M) or route via asynchronous Batch API for 50% off standard token rates.
OpenAI: GPT Sol Latest (~openai/gpt-sol-latest) Startup Credits & Batch API 50% Off Promo
OpenAI GPT-6.1 Sol ($2/$10 base rate) qualifies for immediate 75% automatic prefix caching ($0.50/1M), 50% off 24-hour Batch API completions ($1/$5), and up to $150,000 in OpenAI/Azure Foundry credits via Microsoft for Startups Founders Hub (no VC funding required for initial tiers).
In Etuki October 2026 FinOps telemetry comparing Upstage: Solar Pro 3 (API ID: upstage/solar-pro-3) vs OpenAI: GPT Sol Latest (API ID: ~openai/gpt-sol-latest), Upstage: Solar Pro 3 offers lower standard input pricing at $0.15/1M tokens ($0.6/1M output), while Upstage: Solar Pro 3 leads in cached prefix economics at $0.075/1M tokens (50% discount). Upstage: Solar Pro 3 achieves a 0ms faster P90 time-to-first-token latency (280ms vs 280ms).
Auto-discovered via live global telemetry registry.
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | Upstage: Solar Pro 3 | OpenAI: GPT Sol Latest | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | upstage/solar-pro-3 | ~openai/gpt-sol-latest | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.15 / $0.6 | $2 / $10 | Upstage: Solar Pro 3 |
| Cache Read Price (per 1M) | $0.075/1M (50% Off) | $1/1M (50% Off) | Upstage: Solar Pro 3 |
| Context Window / Max Output | 128K In / 115K Out | 1025K In / 125K Out | OpenAI: GPT Sol Latest |
| P90 First-Token / Edge Latency | 280ms | 280ms | Upstage: Solar Pro 3 (-0ms) |
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 performanc
This model always redirects to the latest model in the GPT Sol family.
Real-Time Stack Cost & Hidden-Fee Simulator (MAU / Token / Egress / GMV)
Calibrated with Reddit r/FinOps & r/devops telemetry: Includes Context Caching, Bandwidth Egress, and MoR Tax
🛰️Switch from Upstage: Solar Pro 3 to OpenAI: GPT Sol Latest
This model always redirects to the latest model in the GPT Sol family. Verified P90 latency of 280ms.