Aion 3.5 Mini vs Grok Build 0.1
Aion 3.5 Mini costs 1.4x less per output token than Grok Build 0.1 ($1.40 vs $2.00 per million). Updated October 22, 2026; no benchmark has tested both models yet.
- Coding
- No data
- Overall
- No data
- Output $/M
- $1.40
- Coding
- No data
- Overall
- No data
- Output $/M
- $2.00
Aion 3.5 Mini or Grok Build 0.1: which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Pick Aion 3.5 Mini for output tokens 1.4x cheaper ($1.40 vs $2.00 per million) and a larger context window (262K against 256K tokens).
No benchmark has tested both yet. Aion 3.5 Mini has none yet; Grok Build 0.1 on AA Coding Index, Vibe Code Bench (Vals AI) and AA Intelligence Index. Compare them on price and context instead.
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
Intelligence
AA Intelligence Index
No call
Only Grok Build 0.1 has a AA Intelligence Index result, 27.2.
Directional only
Long documents
Listed context window
Aion 3.5 Mini
Aion 3.5 Mini takes 262K tokens against 256K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Aion 3.5 Mini
Aion 3.5 Mini $0.0014, Grok Build 0.1 $0.0020 per turn.
List prices
At a glance
- Coding index
- Aion 3.5 Mini not benchmarked, Grok Build 0.1 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
- Aion 3.5 Mini $1.40 against Grok Build 0.1 $2.00 per million output tokens, 1.4x apart.
- Context window
- Aion 3.5 Mini takes 262K tokens, Grok Build 0.1 256K.
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 Index2 boards measured
| Benchmark | Aion 3.5 Mini | Grok Build 0.1 | Leader |
|---|---|---|---|
| AA Coding Index | Not measured | 51.5 | Only Grok Build 0.1 measured |
| Vibe Code Bench (Vals AI) | Not measured | 13.4% | Only Grok Build 0.1 measured |
| Neither model has a result on the other 41 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Aion 3.5 Mini | Grok Build 0.1 | Leader |
|---|---|---|---|
| AA Intelligence Index | Not measured | 27.2 | Only Grok Build 0.1 measured |
| Neither model has a result on the other 1 board 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
Aion 3.5 Mini costs less
Repository review
50K input + 3K output tokens
Aion 3.5 Mini costs less
Agent loop
200K input + 10K output tokens
Aion 3.5 Mini 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 | AionLabs Aion 3.5 Mini | SpaceXAI Grok Build 0.1 |
|---|---|---|
| Maker | Aion Labs | xAI |
| Weights | No public weights listed | No public weights listed |
| Released | September 23, 2026 | May 20, 2026 |
| Context window | 262K | 256K |
| Input $/Mtok | $0.70 | $1.00 |
| Output $/Mtok | $1.40 | $2.00 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 1 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Aion 3.5 Mini better than Grok Build 0.1 for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Aion 3.5 Mini for output tokens 1.4x cheaper ($1.40 vs $2.00 per million) and a larger context window (262K against 256K tokens).
Which is cheaper, Aion 3.5 Mini or Grok Build 0.1?
Aion 3.5 Mini costs $0.70 per million input tokens and $1.40 per million output tokens; Grok Build 0.1 costs $1.00 and $2.00. Cost per solved task is known for neither of them.
Which has the bigger context window, Aion 3.5 Mini or Grok Build 0.1?
Aion 3.5 Mini, with 262K tokens against 256K.
Has any benchmark tested both Aion 3.5 Mini and Grok Build 0.1?
No benchmark has tested both yet. Aion 3.5 Mini has none yet; Grok Build 0.1 on AA Coding Index, Vibe Code Bench (Vals AI) and AA Intelligence Index. Compare them on price and context instead. Data as of October 22, 2026.