What is the difference between Fireworks AI and xAI?

Fireworks AI and xAI are both cloud GPU providers offering different pricing models, features, and GPU availability. Use our comparison tool to see real-time pricing and feature differences.

Which is cheaper: Fireworks AI or xAI?

Pricing varies by GPU model and usage requirements. Check our real-time comparison table to find the best deals for your specific needs.

Can I switch between Fireworks AI and xAI?

Yes, both providers offer flexible cloud GPU services. However, consider factors like data transfer costs, setup time, and specific features when switching between providers.

Fireworks AI vs xAI

Compare LLM inference API pricing between Fireworks AI and xAI. Find the best rates for AI training, inference, and ML workloads.

Fireworks AI

Provider 1

Models Available

Visit Website

xAI

Provider 2

Models Available

Visit Website

Comparison Overview

Total LLM Models

Fireworks AI Models

xAI Models

Direct Comparisons

LLM API Pricing Comparison

Total models: 13Both available: 0Fireworks AI: 8xAI: 5

Showing 13 of 13 models

Prices per 1M tokens · Last updated: 10/24/2026, 2:02:17 PM

Model ↑	Fireworks AI	xAI	Input Diff ↕
DeepSeek V4.1 Flash DeepSeek	$0.300 in $1.20 out	Not available	—
GLM-5.3 Z.ai	$1.40 in $4.40 out	Not available	—
GLM-5.3-Flash Z.ai	$0.150 in $0.500 out	Not available	—
Grok 4.3 xAI	Not available	$1.25 in $2.50 out	—
Grok 4.5 xAI	Not available	$2.00 in $6.00 out	—
Grok 4.6 xAI	Not available	$2.00 in $6.00 out	—
Grok 4.7 xAI	Not available	$2.00 in $6.00 out	—
Grok Build 0.1 0616 xAI	Not available	$1.00 in $2.00 out	—
Inkling Thinking Machines Lab	$1.00 in $4.05 out	Not available	—
Kimi K3 Moonshot AI	$3.00 in $15.00 out	Not available	—
MiniMax-M3.1-Flash MiniMax	$0.150 in $0.600 out	Not available	—
Muse Spark Open Meta	$1.25 in $4.25 out	Not available	—
Qwen 3.8 Max Alibaba	$2.00 in $6.00 out	Not available	—

Features Comparison

Fireworks AI

100+ Open-Source Models
Text, vision, audio, image, and embedding models, including recent releases such as Kimi K3, GLM 5.2, DeepSeek V4, MiniMax M3, and Qwen3.7 Plus
Blazing Fast Inference
Industry-leading throughput and latency with fast inference engine
Fine-Tuning Suite
SFT, DPO, and reinforcement fine-tuning of models up to 1T+ parameters, from guided runs through writing your own trainer and RL loop
OpenAI- and Anthropic-Compatible API
Drop-in replacement for closed-model APIs - change the base URL to migrate, with the same SFT data format for fine-tuning
On-Demand GPUs
H100, H200, B200, B300, and GB300 deployments with per-second billing and autoscaling
Batch Processing
Async bulk inference jobs run at scale for less than standard serverless requests

xAI

Grok text models
Chat Completions and Responses endpoints for the Grok models, with configurable reasoning and tool calling
Server-side tools
Web Search, X Search, code execution, file and collection search, and remote MCP tools billed per invocation on top of tokens
Imagine and Voice APIs
Image and video generation billed per image or second, and speech-to-speech, speech-to-text and text-to-speech endpoints
Batch API
Asynchronous processing with a discount on selected models, typically completed within 24 hours
Priority Processing
Higher scheduling priority for lower latency at a premium over standard token rates
Prompt caching
Cached prompt tokens are billed at a reduced rate

Pros & Cons

Fireworks AI

Advantages

Lightning-fast inference with industry-leading response times
Easy-to-use API with OpenAI and Anthropic compatibility
Wide variety of optimized open-source models
Discounted pricing for cached tokens and batch inference

Considerations

Limited capacity with some serverless model limits
Primarily focused on language models over image/video generation
BYOC only available for major enterprise customers

xAI

Advantages

First-party access to Grok models
Cached-input rates published per model
Batch and priority tiers for cost or latency trade-offs
Also available through Google Cloud Vertex AI and Microsoft Foundry

Considerations

Only xAI's own models are offered
Long-context requests above the published prompt threshold are billed at a higher rate for the whole request
Server-side tool calls add per-invocation charges on top of tokens

Compute Services

Fireworks AI

xAI

Pricing Options

Fireworks AI

Serverless Inference

Pay-per-token pricing across Standard, Priority, and Fast serverless tiers with postpaid billing and no cold starts

Cached tokens

Cached input tokens billed at a reduced rate on supported models

Batch processing

Async bulk inference billed at a discount to standard serverless requests

Embeddings

Embedding models billed per 1M input tokens, tiered by model parameter count

Fine Tuning

Supervised and preference fine tuning billed per 1M training tokens with LoRA or full-parameter options; reinforcement fine tuning billed per GPU hour

Serverless Training API

Shared always-on trainer pool for LoRA training with no provisioning or idle cost, billed per token prefilled, sampled, and trained

On-demand GPUs

Per-second billing for H100, H200, B200, B300, and GB300 GPU deployments with no start-up charges; region-restricted deployments in the US or Europe are priced at 1.25x the standard rate

Reserved capacity

Guaranteed capacity with higher rate limits and earliest access to new hardware, arranged through sales

xAI

Per token

Input, cached input, and output tokens billed per 1M, with a higher long-context rate above a prompt-size threshold

Batch

Discounted asynchronous processing for selected models

Priority

A premium over standard rates for higher scheduling priority

Getting Started

Fireworks AI

Get Started

1
Explore Model Library
Browse 100+ models at fireworks.ai/models
2
Test in Playground
Experiment with prompts interactively without coding
3
Generate API Key
Create an API key from user settings in your account
4
Make first API call
Use OpenAI-compatible endpoints or Fireworks SDK
5
Scale to production
Transition to on-demand GPU deployments for production workloads

xAI

Get Started

1
Create an account
Sign up on the xAI console and add credits
2
Create an API key
Generate a key in the console
3
Call the API
Send requests to api.x.ai with an OpenAI-compatible client or the xAI SDK

Support & Global Availability

Fireworks AI

Global Regions

18+ global regions across 8 cloud providers with multi-region deployments and BYOC support for enterprise

Support

Documentation, Discord community, status page, email support, and dedicated enterprise support with SLAs

xAI

Support

Documentation, status page, and console support