Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-09-11
- Weights
- Closed
- Input
- Text, Image
- Output
- Text
- Context window
- 1,000,000 max across endpoints
- Max output
- 128,000
- Providers
- 2 + 3 gateways, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $5.00–$6.88 in · $30.00–$41.26 out per 1M tokens · across all 2 providers
More details
- Last updated
- 2026-09-11
- Knowledge cutoff
- 2026-08-28
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel toolsunknown
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefillunknown
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $5.00 in / $30 out per 1M tokens at Sakana AI on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs Fugu Ultra v2 |
|---|---|---|---|---|---|
| GPT-5.4 Image 2OpenAI | $9.17 | $8.00 | $15 | 272K | +0% |
| GPT-5.5OpenAI | $9.17 | $5.00 | $30 | 1.05M | +0% |
| GPT Chat LatestOpenAI | $9.17 | $5.00 | $30 | 400K | +0% |
| Fugu UltraSakana AI | $9.17 | $5.00 | $30 | 1M | +0% |
| Fugu Ultra v1.1Sakana AI | $9.17 | $5.00 | $30 | 1M | +0% |
| gpt-image-1.5OpenAI | $9.50 | $5.00 | $32 | — | +4% |
| Claude Opus 4.6Anthropic | $8.33 | $5.00 | $25 | 1M | −9% cheaper |
| Claude Opus 4.7Anthropic | $8.33 | $5.00 | $25 | 1M | −9% cheaper |
More from Sakana AI
Newest Sakana AI models in the catalogue. All Sakana AI models
| Model | Released | Context | Listed price |
|---|---|---|---|
| Fugu Max | 2026-09-11 | 1M | from $2.00 |
| Sakana Namazu | 2026-08-03 | 262K | from $0.95 |
| Fugu Ultra v1.1 | 2026-07-24 | 1M | $5.00 via NanoGPT |
| Fugu Ultra | 2026-06-15 | 1M | from $5.00 |
| Fugu | 2026-06-15 | 1M | unpriced |
Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model