Sakana: Fugu Ultra v2
by SakanaSakana: Fugu Ultra v2 is a large language model from Sakana. It costs $5.00 per million input tokens and $30.00 per million output tokens. Its context window is 1M tokens.
- Input / 1M tokens
- $5.00
- Output / 1M tokens
- $30.00
- Cached input / 1M
- $0.500
- Context window
- 1M
On repeated prefixes
tokens
This model also charges $0.01 per search request
That is $10.00 per 1,000 requests, billed on top of the token prices above. On a typical 1,000-in / 500-out exchange the tokens cost $0.02, so the search fee is 50% on top. Per-token rankings elsewhere ignore this entirely.
Who serves it cheapest
1 hosts serve Fugu Ultra v2. Same weights, same API - the price difference is pure margin and routing.
| Provider | Input / 1M | Output / 1M | Context | Throughput | Uptime 24h |
|---|---|---|---|---|---|
| Sakana AICheapest | $5.00 | $30.00 | 1M | - | 100.0% |
About Fugu Ultra v2
Fugu Ultra v2 is the higher-performance model in Sakana AI's Fugu family. Rather than a single monolithic model, Fugu is a learned multi-agent orchestration system: a language model trained to...
Specifications
| Model ID | sakana/fugu-ultra-v2 |
|---|---|
| Provider | Sakana |
| Context window | 1M tokens |
| Max output | 128K tokens |
| Input modalities | text, image, file |
| Output modalities | text |
| Knowledge cutoff | 2026-08-28 |
| Open weights | No |
| Released | September 11, 2026 |
Cheaper alternatives
Models that cost less than Fugu Ultra v2 while keeping at least half its context window and every input modality it supports.
Frequently asked
How much does Sakana: Fugu Ultra v2 cost?
$5.00 per million input tokens and $30.00 per million output tokens. Cached input reads cost $0.500 per million tokens.
What is the context window of Sakana: Fugu Ultra v2?
1M tokens, with up to 128K tokens of output per request.
Does Sakana: Fugu Ultra v2 have extra fees beyond per-token pricing?
Yes. Sakana: Fugu Ultra v2 charges $0.01 per search request - $10.00 per 1,000 requests - on top of $5.00 per million input tokens and $30.00 per million output tokens. On a typical 1,000-input / 500-output exchange the search fee alone is 50% on top.