Claude Opus vs GPT vs Gemini vs Local LLMs: Does DGX Station Offer Better Economics?
A DGX Station can offer better economics, but mainly when it handles the work that doesn't need a frontier model. Closed frontier models still lead on hard tasks. On the Artificial Analysis Intelligence Index they score 55 to 60, while the top open-weight model on its open-weights list scores 33. What the DGX Station GB300 changes is the cost of volume. Take a company using 10 billion tokens a month that sends 70% of them to an open-weight model on its own DGX Station and the rest to Claude Sonnet 5.5. In SourceIT's illustrative model its bill drops from about S$36,900 a month to about S$17,250. If the remaining 30% go to Claude Opus 5.5 instead, it drops from about S$73,800 to about S$28,300. Whether that saving is real depends on how well the open model handles the routed share.
How do the leading models compare on quality and price?
| Model | Type | Artificial Analysis Intelligence Index | List price (input / output per 1M) | Blended 8:1 (S$ per 1M) |
|---|---|---|---|---|
| Claude Opus 5.5 (max) | Closed, API only | 59 | US$4 / US$20 | S$7.38 |
| GPT-6 Astra (max) | Closed, API only | 57 | US$10 / US$50 | S$18.45 |
| GPT-6.1 Sol (max) | Closed, API only | 55 | US$2 / US$10 | S$3.69 |
| Claude Sonnet 5.5 (max) | Closed, API only | 55 | US$2 / US$10 | S$3.69 |
| GPT-6.1 Terra (max) | Closed, API only | 51 | US$1 / US$5 | S$1.85 |
| Gemini 4 Argon (high) | Closed, API only | 50 | US$2 / US$10 (US$4 / US$20 from 1 Dec 2026) | S$3.69 (S$7.38 from 1 Dec) |
| DeepSeek V4.1 Flash (max) | Open-weight: API or self-hosted | 33 (top of AA's open-weights list) | US$0.30 / US$1.20 on DeepSeek's API (peak) | S$0.51, or a fixed owned cost if self-hosted |
| gpt-oss-120b | Open-weight: API or self-hosted | Not on the current index | US$0.15 / US$0.60 hosted (Together, Fireworks) | S$0.26, or a fixed owned cost if self-hosted |
Sources: Artificial Analysis Intelligence Index v5 leaderboards (charts to Oct 2026). The settings shown, such as "max" and "high", are the reasoning effort AA tested, and higher settings use more tokens. Prices from OpenAI, Anthropic, Google, DeepSeek, Together and Fireworks pricing pages, accessed 5 Nov 2026, blended at 8 input tokens to 1 output token and converted at USD/SGD 1.2774. Index scores are one benchmark composite. Results on your own tasks may differ.
How big is the quality gap really?
It depends on the benchmark and the task. On Artificial Analysis's composite index the gap is wide: 33 for the best open-weight model against 55 to 60 for the frontier. Human-preference rankings put it much closer. A secondary report of the LMArena text leaderboard in September 2026 put the best open-weight model about 31 Elo points below the leader. Coding benchmarks such as SWE-bench Verified show large gaps for some open models, but aggregators now flag that test as saturated.
In practice the gap shows on the hardest work: multi-step reasoning, complex coding, tricky analysis and writing where every word matters. It matters much less for classification, extraction, routing, summarising your own documents, translation and routine drafting. That is also where most business token volume goes.
Price per token is easy to compare. Cost per correct answer is what you are really buying.
What does a hybrid setup save?
The table models a company using 10 billion tokens a month. A share of the tokens goes to an open-weight model on its own DGX Station, at about S$6,177 a month to own. The rest stays on a frontier API at list price.
| Frontier model for the remainder | All on the API | 50% local | 70% local | 90% local |
|---|---|---|---|---|
| GPT-6.1 Terra | S$18,451 | S$15,402 | S$11,712 | S$8,022 |
| Claude Sonnet 5.5 / GPT-6.1 Sol | S$36,903 | S$24,628 | S$17,247 | S$9,867 |
| Claude Opus 5.5 | S$73,805 | S$43,079 | S$28,318 | S$13,557 |
Assumptions: an 8:1 input-to-output mix at list prices. The owned cost of S$6,177 a month is SourceIT's illustrative three-year model: a S$150,000 hardware assumption, 1 kW average power, a fifth of an engineer and a UPS. Discounts for cached input and batch work would lower the API columns.
Capacity needs checking. StorageReview measured DeepSeek V4 Flash at FP8 on an ASUS ET900N G3 at 8,587 total tokens per second (8K in / 1K out, peak). That is about 22 billion tokens a month at full load, so routing 7 billion a month to it would load the system at about 31%. That is workable, but it leaves little headroom. A lighter model such as gpt-oss-120b measured 45,205 total tokens per second in the same review, so the same 7 billion would use about 6% of its capacity. Choose the open model by testing quality on your tasks, then check its throughput.
Where do the frontier APIs still earn their price?
- Hard reasoning and agents with many steps, where an error late in the chain wastes everything before it.
- Complex coding and large refactors.
- Low or unpredictable volume, where a fixed-cost system would sit idle.
- Features beyond the model: hosted search, file tools, computer use, managed fine-tuning and enterprise admin. A bare model server does not include these.
Prices among the frontier models also vary more than their scores. On list prices, GPT-6.1 Terra costs about half as much as Sonnet-class models for a few index points less, while GPT-6 Astra costs five times Sonnet-class for two points more. Shopping within the frontier can save as much as moving to local.
Where does a local model earn its keep?
- High-volume, well-defined tasks: ticket triage, document extraction, summaries, embeddings and reranking for retrieval. See From 10,000 Documents to One Private AI Brain.
- Data that should stay in-house. No major cloud AI vendor offered Singapore in-country inference for its flagship business product as of 5 Nov 2026. See Data Residency vs Data Sovereignty.
- Stable models. A model you host does not get retired. Hosted models are retired on vendor schedules, and Anthropic's policy gives at least 60 days' notice.
- Predictable spend. The cost is fixed whatever the volume. See AI Token Inflation.
How do you decide which work to route locally?
- Build an evaluation set of 100 to 300 real tasks per workload, with known good answers.
- Score the candidates: your current frontier model and two or three open-weight models.
- Route by result. Where the open model matches within your tolerance, route it locally. Where it doesn't, keep the frontier API.
- Re-test each quarter. Open models improve quickly and API prices change.
An internal gateway can then send each request to the right model and record spend per team. Can NVIDIA DGX Station Become the Foundation of Your Company's Private AI Cloud? covers the setup. For the underlying cost maths, see DGX Station vs ChatGPT, Claude & Gemini and the break-even calculation. Our earlier post Are Businesses Becoming Too Dependent on ChatGPT? covers the dependency side.
Buying in Singapore
SourceIT lists all five DGX Station GB300 systems, price on request: HP ZGX Fury G1n, MSI XpertStation WS300, ASUS ExpertCenter Pro ET900N G3, GIGABYTE W775-V10-L01 and Supermicro ARS-511GD-NB-LCC. To trial open-weight models before committing, the NVIDIA DGX Spark 4TB is S$9,300 (listed 5 Nov 2026), and more options are in the NVIDIA DGX Spark & DGX Station collection. For a quotation, use Request for Quotation on the product page, call (65) 6978 3502, email Sales@sourceit.com.sg or use our contact page.
Frequently asked questions
Are open-weight models as good as Claude, GPT and Gemini? Not on the hardest tasks. On the Artificial Analysis Intelligence Index the best open-weight model scores 33, against 55 to 60 for leading closed models. For many routine business tasks the difference is much smaller, so test on your own work.
Can I run Claude Opus or GPT on a DGX Station? No. Those models are only available through Anthropic, OpenAI and their cloud partners. A DGX Station runs open-weight models such as DeepSeek, Qwen, gpt-oss and Llama.
What is a hybrid AI setup? Routing high-volume, simpler requests to a local open-weight model and the rest to a frontier API. In SourceIT's illustrative 10-billion-token example, sending 70% locally cut a Claude Sonnet 5.5 bill from about S$36,903 to S$17,247 a month.
Which frontier model is cheapest for its quality? On 5 Nov 2026 list prices and Artificial Analysis scores, GPT-6.1 Terra (51, US$1/US$5) costs about half as much as Sonnet-class models (55, US$2/US$10). Prices change often, so check vendor pages.
How do I know whether a task can move to a local model? Build a test set of real tasks with known answers and score your current model against two or three open-weight candidates. Move only the workloads where the open model meets your quality bar.




