What is the difference between Fireworks AI and OpenAI?

Fireworks AI and OpenAI 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 OpenAI?

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 OpenAI?

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 OpenAI LLM API Pricing 2026

LLM API Pricing Comparison

Total models: 15Both available: 0Fireworks AI: 12OpenAI: 3

Showing 15 of 15 models

Prices per 1M tokens · Last updated: 7/20/2026, 10:36:07 PM

Model ↑	Fireworks AI	OpenAI	Input Diff ↕
DeepSeek V4 Flash DeepSeek	$0.140 in $0.280 out	Not available	—
DeepSeek V4 Pro DeepSeek	$1.74 in $3.48 out	Not available	—
GLM-5 Zhipu	$1.40 in $4.40 out	Not available	—
GLM-5.1 Zhipu	$1.40 in $4.40 out	Not available	—
GLM-5.2 Zhipu	$1.40 in $4.40 out	Not available	—
GPT-5 OpenAI	Not available	$5.00 in $30.00 out	—
GPT-5.4 OpenAI	Not available	$2.50 in $15.00 out	—
GPT-5.4 Mini OpenAI	Not available	$0.750 in $4.50 out	—
GPT-OSS-120B OpenAI	$0.150 in $0.600 out	Not available	—
GPT-OSS-20B OpenAI	$0.070 in $0.300 out	Not available	—
Kimi K2 Moonshot	$0.950 in $4.00 out	Not available	—
MiniMax M1 MiniMax	$0.300 in $1.20 out	Not available	—
MiniMax M2.7 MiniMax	$0.300 in $1.20 out	Not available	—
Qwen Plus Alibaba	$0.400 in $1.60 out	Not available	—
Qwen3 Reranker 8B Alibaba	$0.200 in $0.0000 out	Not available	—

Features Comparison

Fireworks AI

100+ Open-Source Models
Instant access to latest models like Kimi K2.5, DeepSeek V3.2, GLM-5.1, Qwen3.6 Plus, FLUX.1 Kontext Pro, Whisper V3 Large, and more
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 with LoRA efficiency
OpenAI-Compatible API
Drop-in replacement - just change the base URL for easy migration
On-Demand GPUs
H100, H200, B200, and B300 deployments with per-second billing and autoscaling
Batch Processing
50% discount for async bulk inference workloads

OpenAI

GPT Model Family
Access to GPT-4o, GPT-4o mini, and other frontier language models
Reasoning Models
o1 and o3 series models with advanced reasoning capabilities for complex problems
Multimodal Capabilities
Process text, images, audio, and video inputs with unified models
Function Calling
Structured outputs and tool use for building agents and workflows
Assistants API
Build AI assistants with code interpreter, file search, and custom tools
Fine-Tuning
Customize models on your own data for specialized use cases

Pros & Cons

Fireworks AI

Advantages

Lightning-fast inference with industry-leading response times
Easy-to-use API with excellent OpenAI compatibility
Wide variety of optimized open-source models
Competitive pricing with 50% off cached tokens and batch processing

Considerations

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

OpenAI

Advantages

Industry-leading model performance and accuracy
Extensive training data providing unmatched breadth across languages and domains
Developer-friendly SDKs for Python, JavaScript, and other languages
Comprehensive documentation and large community

Considerations

Higher cost compared to open-source alternatives
Token usage can scale quickly with conversation threads
Data privacy concerns for sensitive applications

Compute Services

Fireworks AI

OpenAI

Pricing Options

Fireworks AI

Serverless Inference

Pay-per-token pricing with parameter-based tiers from $0.10 to $0.90 per 1M tokens, plus premium models

Cached tokens

50% discount on cached input tokens for supported models

Batch processing

50% discount on async bulk inference for both input and output tokens

Fine Tuning

Per-training-token pricing for SFT, DPO, and reinforcement learning with LoRA and full parameter options

On-demand GPUs

Per-second billing for H100, H200, B200, and B300 GPU deployments with no startup charges

OpenAI

Pay-per-token

Charged based on tokens processed for both input and output

Batch API

50% discount for asynchronous batch processing

Prompt Caching

Discounts for recently seen input tokens

Getting Started

Fireworks AI

Get Started

1
Explore Model Library
Browse 400+ 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

OpenAI

Get Started

1
Create an account
Sign up at platform.openai.com
2
Generate API key
Create an API key in the dashboard and store it securely
3
Install SDK
Install the OpenAI SDK for Python, JavaScript, or your preferred language
4
Make your first call
Use the SDK to call OpenAI models for text generation or other tasks

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

OpenAI

Global Regions

Global availability with data residency options in US, Europe, UK, Canada, Japan, South Korea, Singapore, India, Australia, and UAE

Support

Documentation, Help Center, Developer Forum, email support, and enterprise support plans with dedicated account managers