Last refreshed 2026-04-19. Next refresh: weekly.
Why use Firefunction V2 on Fireworks AI?
Fireworks AI offers Firefunction V2 with pay-as-you-go pricing at $0.90/1M input tokens. Fireworks AI offers a generative AI platform as a service, focusing on rapid product iteration and cost-efficient AI deployment.
Setup recipe
Python + curlpip install openaiexport FIREWORKS_API_KEY=...import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["FIREWORKS_API_KEY"],firefunction-v2Request example
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["FIREWORKS_API_KEY"],
base_url="https://api.fireworks.ai/inference/v1"
)
response = client.chat.completions.create(
model="firefunction-v2",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Fireworks model IDs use "accounts/fireworks/models/{model-name}" format, e.g. "accounts/fireworks/models/llama4-scout-instruct-basic" or "accounts/fireworks/models/deepseek-r1".
- The examples expect FIREWORKS_API_KEY; rename it only if your application config maps the new variable.
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.90 |
| Output tokens | $0.90 |
Capabilities
No model capability flags are currently sourced.
About Firefunction V2
Firefunction-v2, developed by Fireworks AI, is an open-source function-calling large language model built on the Llama 3-70b base model. It excels in conversational and instruction-following tasks, with enhanced capabilities for function calling. Notably, it supports parallel function calling, handling up to 30 function specifications, and smoothly integrates chat with function execution. It rivals GPT-4o in function-calling performance while being more cost-effective and offering quicker responses. Its 8k context window and OpenAI-compatible API make it easily integratable into diverse applications 123.
FAQ
What does Firefunction V2 cost on Fireworks AI?
On Fireworks AI, Firefunction V2 costs $0.90 per 1M input tokens and $0.90 per 1M output tokens.
What is the context window for Firefunction V2 on Fireworks AI?
Firefunction V2 supports a 32,000 token context window on Fireworks AI.
Who created Firefunction V2?
Firefunction V2 was created by Fireworks AI as part of the Firefunction model family.
Is Firefunction V2 open source?
Firefunction V2's open source status is unknown in the seed data.