Phi-4 14B on Fireworks AI

Name: Phi-4 14B on Fireworks AI
Brand: Microsoft Research
SKU: phi-4-fireworks-ai
Price: 0.9 USD

Phi-4 · Microsoft Research

ServerlessOpen Source

Last refreshed 2026-05-19. Next refresh: weekly.

Why use Phi-4 14B on Fireworks AI?

Fireworks AI offers Phi-4 14B 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.

Compare Phi-4 14B across 4 providers to find the best fit for your use case

Input / 1M

$0.90

Output / 1M

$0.90

Cache

Not sourced

Batch

Not sourced

Setup recipe

Python + curl

Install

pip install openai

Auth

export FIREWORKS_API_KEY=...

Call

import os
from openai import OpenAI
client = OpenAI(
    api_key=os.environ["FIREWORKS_API_KEY"],

Model ID

phi-4

Request 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="phi-4",
    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.

Compare Phi-4 14B Across Providers

Provider	Input (per 1M)	Output (per 1M)
OpenRouter	$0.07	$0.14
Fireworks AI	$0.90	$0.90
Microsoft Foundry	—	—
Featherless	$0.07	$0.14

Pricing

Type	Price (per 1M)
Input tokens	$0.90
Output tokens	$0.90

Capabilities

Structured Outputs

About Phi-4 14B

Phi-4 14B is Microsoft Research's Phi-4 model. Weights are openly available for self-hosting and scores 56.1 on GPQA.

Get Started

Model Card Docs Portal Pricing

Model Specs

Released2024-12-13

Parameters14B

Context16k

ArchitectureDecoder Only

Knowledge cutoff2024-06