Morph V3 Fast vs Perceptron Mk1.5
Updated October 21, 2026. 0 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
- Coding
- No data
- Overall
- No data
- Output $/M
- $1.20
- Coding
- No data
- Overall
- No data
- Output $/M
- $1.50
Decision reading
Neither model has a coding score yet, so the two cannot be ranked on coding.
Morph V3 Fast has the edge where output tokens cost 1.3x less, and where the context window is larger, 262K against 37K tokens.
- Shared results
- 0
- Morph V3 Fast only
- 0
- Perceptron Mk1.5 only
- 0
- Like-for-like categories
- 0 of 9
Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.
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
Morph V3 Fast
Morph V3 Fast takes 262K tokens against 37K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Perceptron Mk1.5
Morph V3 Fast $0.0014, Perceptron Mk1.5 $0.0009 per turn.
List prices
At a glance
- Coding index
- Morph V3 Fast not benchmarked, Perceptron Mk1.5 not benchmarked.
- Widest category
- No category has a result for both models.
- Widest single gap
- No benchmark has a result for both models.
- Output price
- Morph V3 Fast $1.20 against Perceptron Mk1.5 $1.50 per million output tokens, 1.3x apart.
- Context window
- Morph V3 Fast takes 262K tokens, Perceptron Mk1.5 37K.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
CodingNot comparableSix of these boards feed the Vibe Coding Index0 boards, none shared
| Benchmark | Morph V3 Fast | Perceptron Mk1.5 | Leader |
|---|---|---|---|
| Neither model has a result on 38 boards here | |||
IntelligenceNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Morph V3 Fast | Perceptron Mk1.5 | Leader |
|---|---|---|---|
| Neither model has a result on 2 boards here | |||
Agentic workNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Morph V3 Fast | Perceptron Mk1.5 | Leader |
|---|---|---|---|
| Neither model has a result on 39 boards here | |||
ReasoningNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Morph V3 Fast | Perceptron Mk1.5 | Leader |
|---|---|---|---|
| Neither model has a result on 21 boards here | |||
MathNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Morph V3 Fast | Perceptron Mk1.5 | Leader |
|---|---|---|---|
| Neither model has a result on 13 boards here | |||
KnowledgeNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Morph V3 Fast | Perceptron Mk1.5 | Leader |
|---|---|---|---|
| Neither model has a result on 17 boards here | |||
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Morph V3 Fast | Perceptron Mk1.5 | Leader |
|---|---|---|---|
| Neither model has a result on 9 boards here | |||
GeneralNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Morph V3 Fast | Perceptron Mk1.5 | Leader |
|---|---|---|---|
| Neither model has a result on 46 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Morph V3 Fast | Perceptron Mk1.5 | Leader |
|---|---|---|---|
| Neither model has a result on 5 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
Perceptron Mk1.5 costs less
Repository review
50K input + 3K output tokens
Perceptron Mk1.5 costs less
Agent loop
200K input + 10K output tokens
Perceptron Mk1.5 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 | Morph V3 Fast | Perceptron Mk1.5 |
|---|---|---|
| Maker | Morph | Perceptron |
| Weights | No public weights listed | No public weights listed |
| Released | July 7, 2025 | September 25, 2026 |
| Context window | 262K | 37K |
| Input $/Mtok | $0.80 | $0.15 |
| Output $/Mtok | $1.20 | $1.50 |
| 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 Morph V3 Fast better than Perceptron Mk1.5 for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Morph V3 Fast has the edge where output tokens cost 1.3x less, and where the context window is larger, 262K against 37K tokens.
Which is cheaper, Morph V3 Fast or Perceptron Mk1.5?
Morph V3 Fast costs $0.80 per million input tokens and $1.20 per million output tokens; Perceptron Mk1.5 costs $0.15 and $1.50. Cost per solved task is known for neither of them.
Which has the bigger context window, Morph V3 Fast or Perceptron Mk1.5?
Morph V3 Fast, with 262K tokens against 37K.
How many benchmarks is the Morph V3 Fast vs Perceptron Mk1.5 comparison based on?
0 benchmarks have a result for both models as of October 21, 2026. Morph V3 Fast's coding index rests on 0 independent benchmarks and Perceptron Mk1.5's on 0. Where only one model has a result, the page says so instead of naming a winner.