Fugu Ultra v2 vs Qwen 3.8 Max Prime
Qwen 3.8 Max Prime comes out ahead, 39 to 33 on our weighted score, and it is the cheaper option too.
Sakana AIFugu Ultra v2
33/100- ECI—
- Price$5.00 / $30.00
- Context1M
- Our pick
Alibaba (Qwen)Qwen 3.8 Max Prime
39/100- ECI—
- Price$4.00 / $12.00
- Context1M
Add a model
Make it a three-way comparison.
Qwen 3.8 Max Prime is our pick
Qwen 3.8 Max Prime is the better all-round choice, scoring 39/100 against Fugu Ultra v2 (33). It leads on price. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceQwen 3.8 Max PrimeQwen 3.8 Max Prime $6.00 · Fugu Ultra v2 $11.25 per 1M tokens (3:1 blend)
- Longest contextAbout the sameFugu Ultra v2 1,000,000 · Qwen 3.8 Max Prime 1,000,000 tokens
- Widest inputsSame inputsFugu Ultra v2: Text, Images, PDFs · Qwen 3.8 Max Prime: Text, Images, Video
- Self-hostingNo open weightsBoth are available only through APIs
| Measure | Weight | Fugu Ultra v2 | Qwen 3.8 Max Prime |
|---|---|---|---|
| Price | 50% | 0 | 12 |
| Inputs & features | 30% | 70 | 70 |
| Context window | 20% | 60 | 60 |
| Overall | 100% | 33/100 | 39/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Fugu Ultra v2Sakana AI | Qwen 3.8 Max PrimeAlibaba (Qwen) |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $5.00 | $4.00 (best) |
| Output | $30.00 | $12.00 (best) |
| Cached input | — | — |
| Blended (3:1) | $11.25 | $6.00 (best) |
| Long-context rate | Same rate | Same rate |
| Price source | Median of 6 providers | Median of 5 providers |
| Limits | ||
| Context window | 1,000,000 tokens | 1,000,000 tokens |
| Max output | 128,000 tokens | 131,072 tokens (best) |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | Yes | Yes |
| PDFs | Yes | No |
| Audio | No | No |
| Video | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | No | No |
| Availability | ||
| Weights | Proprietary | Proprietary |
| API model ID | — | — |
| API providers | 6 (best) | 5 |
| Released | Sep 11, 2026 | Sep 23, 2026 |
| Knowledge cutoff | Aug 28, 2026 | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Fugu Ultra v2$110.00
- Qwen 3.8 Max Prime$64.00
Which should you choose?
Which is better: Fugu Ultra v2 or Qwen 3.8 Max Prime?
Qwen 3.8 Max Prime is the better all-round choice, scoring 39/100 against Fugu Ultra v2 (33). It leads on price. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Fugu Ultra v2 or Qwen 3.8 Max Prime?
Qwen 3.8 Max Prime is cheaper at $4.00 input / $12.00 output per million tokens (median across 5 API providers). Fugu Ultra v2 costs $5.00 input / $30.00 output per million tokens (median across 6 API providers). At a typical mix of three input tokens to one output token, that is $6.00 per million tokens for Qwen 3.8 Max Prime versus $11.25 for Fugu Ultra v2 (1.9× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Fugu Ultra v2 has not been scored yet and Qwen 3.8 Max Prime has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Fugu Ultra v2 and Qwen 3.8 Max Prime yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
Fugu Ultra v2 and Qwen 3.8 Max Prime share the same 1,000,000-token context window. Maximum output per response: Fugu Ultra v2 up to 128,000, Qwen 3.8 Max Prime up to 131,072 tokens.
Which can read images, PDFs, audio or video?
Fugu Ultra v2 accepts text, images and PDFs; Qwen 3.8 Max Prime accepts text, images and video. They handle the same number of input types.
Are any of these open source?
No. Fugu Ultra v2 and Qwen 3.8 Max Prime are proprietary and only available through APIs and apps.
Which is newer?
Qwen 3.8 Max Prime is the newest, released Sep 23, 2026. Fugu Ultra v2 came out Sep 11, 2026. Knowledge cutoff: Fugu Ultra v2 Aug 28, 2026.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Nov 2, 2026.
