V3 Large overview
V3 Large specs
- Model ID
morph/morph-v3-large- Developer
- Morph
- Context window
- 262,144 tokens
- Max output
- 131,072 tokens
- Input
- Image, Text
- Output
- Text
- API
- OpenAI-compatible, base URL
https://api.aimlapi.com/v1
Coding and code review
Generate, debug, and review code across languages, reading whole files or repos in a single prompt.
Agentic and multi-step workflows
Reliable tool-calling and instruction-following suit agent loops that plan, call tools, and iterate.
Complex reasoning
Extended reasoning improves reliability on multi-step math, logic, and technical analysis.
Long-document analysis
Summarize and extract from contracts, papers, and reports without aggressive chunking.
Use cases
Complex multi-scope code edits are a documented use case for Morph V3 Large, especially when accuracy matters more than speed. It is also documented for merging AI-generated edit suggestions into source files as part of code-patching workflows.
It is suited to multi-scope refactors, including edits that change several functions or classes in one file. It is also described as useful for repetitive pattern edits and other cases where merge ambiguity is high.
Capabilities
- Function calling
- Reasoning
- Streaming
- Structured outputs
- Web search
V3 Large API pricing
| Usage | Price | Unit |
|---|---|---|
| Input | $0.9522 | 1M tokens |
| Output | $2.01 | 1M tokens |
Prices from the AI/ML API price list, checked on Nov 4, 2026.
V3 Large vs other models: token prices
AI/ML API input and output rates for 5 models, per million tokens.
| Model | Input | Output |
|---|---|---|
| V3 Large | $0.9522 | $2.01 |
| V3 Fast | $0.8464 | $1.27 |
| $0.25 | $2 | |
| $0.25 | $2 | |
| $1 | $2 |
How to use the V3 Large API
View docsBuild with your agent
Give your agent the model details, code and documentation.
1Get your API key
Create API keyexport AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"2Make your first request
curl 'https://api.aimlapi.com/v1/chat/completions' \
-H "Authorization: Bearer $AIMLAPI_KEY" \
-H 'Content-Type: application/json' \
-d '{
"model": "morph/morph-v3-large",
"messages": [
{
"role": "user",
"content": "Write a haiku about the ocean."
}
]
}'import os
import requests
headers = {
"Authorization": f"Bearer {os.environ['AIMLAPI_KEY']}",
"Content-Type": "application/json",
}
payload = {
"model": "morph/morph-v3-large",
"messages": [
{
"role": "user",
"content": "Write a haiku about the ocean."
}
]
}
response = requests.post("https://api.aimlapi.com/v1/chat/completions", headers=headers, json=payload, timeout=120)
response.raise_for_status()
print(response.json())const response = await fetch("https://api.aimlapi.com/v1/chat/completions", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
"model": "morph/morph-v3-large",
"messages": [
{
"role": "user",
"content": "Write a haiku about the ocean."
}
]
}),
});
if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());Related articles
V3 Large FAQ
What is the context window of V3 Large?
V3 Large has a 262,144 tokens context window and can return up to 131,072 tokens.
What inputs and outputs does V3 Large support?
V3 Large takes image, text as input and returns text.
What is the model ID for V3 Large?
Use morph/morph-v3-large as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.
How much does V3 Large cost?
V3 Large costs $0.9522 input and $2.01 output per 1M tokens on AI/ML API, billed as you go with no subscription.
Does V3 Large support streaming?
Yes, V3 Large can stream responses as they are generated.
Can V3 Large read images?
Yes, V3 Large accepts image input alongside text.
How do I access V3 Large via the API?
V3 Large is available through the endpoint https://api.aimlapi.com/v1/chat/completions using the model id morph/morph-v3-large.

