o4 Mini High vs Fugu Ultra
o4 Mini High costs 6.8x less per output token than Fugu Ultra ($4.40 vs $30.00 per million). Updated October 23, 2026; no benchmark has tested both models yet.
- Coding
- No data
- Overall
- No data
- Output $/M
- $4.40
- Coding
- No data
- Overall
- No data
- Output $/M
- $30.00
o4 Mini High or Fugu Ultra: which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Pick o4 Mini High for output tokens 6.8x cheaper ($4.40 vs $30.00 per million).
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
No call
Neither has a coding score yet.
One side not measured
Long documents
Listed context window
Fugu Ultra
Fugu Ultra takes 1M tokens against 200K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
o4 Mini High
o4 Mini High $0.0033, Fugu Ultra $0.020 per turn.
List prices
At a glance
- Coding index
- o4 Mini High not benchmarked, Fugu Ultra not benchmarked.
- Widest category
- None yet: no category has been tested on both models.
- Widest single gap
- None yet: no benchmark has tested both models.
- Output price
- o4 Mini High $4.40 against Fugu Ultra $30.00 per million output tokens, 6.8x apart.
- Context window
- o4 Mini High takes 200K tokens, Fugu Ultra 1M.
Benchmark by benchmark
Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.
CodingDirectional onlySix of these boards feed the Vibe Coding Index1 board measured
| Benchmark | o4 Mini High | Fugu Ultra | Leader |
|---|---|---|---|
| ALE-Bench | 826.2 | Not measured | Only o4 Mini High measured |
| Neither model has a result on the other 42 boards here | |||
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | o4 Mini High | Fugu Ultra | Leader |
|---|---|---|---|
| GDPval | 25.3% | Not measured | Only o4 Mini High measured |
| Neither model has a result on the other 41 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
o4 Mini High costs less
Repository review
50K input + 3K output tokens
o4 Mini High costs less
Agent loop
200K input + 10K output tokens
o4 Mini High costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | OpenAI o4 Mini High | Sakana Fugu Ultra |
|---|---|---|
| Maker | OpenAI | Sakana |
| Weights | No public weights listed | No public weights listed |
| Released | April 16, 2025 | June 24, 2026 |
| Context window | 200K | 1M |
| Input $/Mtok | $1.10 | $5.00 |
| Output $/Mtok | $4.40 | $30.00 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 0 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is o4 Mini High better than Fugu Ultra for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Pick o4 Mini High for output tokens 6.8x cheaper ($4.40 vs $30.00 per million).
Which is cheaper, o4 Mini High or Fugu Ultra?
o4 Mini High costs $1.10 per million input tokens and $4.40 per million output tokens; Fugu Ultra costs $5.00 and $30.00. Cost per solved task is known for neither of them.
Which has the bigger context window, o4 Mini High or Fugu Ultra?
Fugu Ultra, with 1M tokens against 200K.
Has any benchmark tested both o4 Mini High and Fugu Ultra?
No benchmark has tested both yet. o4 Mini High has results on ALE-Bench and GDPval; Fugu Ultra has none yet. Compare them on price and context instead. Data as of October 23, 2026.