What is the difference between Fireworks AI and OpenRouter?

Fireworks AI and OpenRouter 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 OpenRouter?

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 OpenRouter?

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 OpenRouter LLM API Pricing 2026

LLM API Pricing Comparison

Total models: 158Both available: 11Fireworks AI: 12OpenRouter: 157

Showing 15 of 158 models

Prices per 1M tokens · Last updated: 7/21/2026, 2:44:26 AM

Model ↑	Fireworks AI	OpenRouter	Input Diff ↕
Claude 3 Haiku Anthropic	Not available	$0.250 in $1.25 out	—
Claude 3.5 Haiku Anthropic	Not available	$0.800 in $4.00 out	—
Claude Fable 5 Anthropic	Not available	$10.00 in $50.00 out	—
Claude Haiku 4.5 Anthropic	Not available	$1.00 in $5.00 out	—
Claude Opus 4.1 Anthropic	Not available	$15.00 in $75.00 out	—
Claude Opus 4.5 Anthropic	Not available	$5.00 in $25.00 out	—
Claude Opus 4.6 Anthropic	Not available	$15.00 in $75.00 out	—
Claude Opus 4.7 Anthropic	Not available	$5.00 in $25.00 out	—
Claude Opus 4.8 Anthropic	Not available	$5.00 in $25.00 out	—
Claude Sonnet 4.5 Anthropic	Not available	$3.00 in $15.00 out	—
Claude Sonnet 4.6 Anthropic	Not available	$3.00 in $15.00 out	—
Claude Sonnet 5 (Adaptive Reasoning, Max Effort) Anthropic	Not available	$2.00 in $10.00 out	—
Codestral 25.08 Mistral	Not available	$0.300 in $0.900 out	—
Command A Cohere	Not available	$2.50 in $10.00 out	—
Command R Cohere	Not available	$2.50 in $10.00 out	—

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

OpenRouter

Unified Model Access
Single API endpoint for 300+ models from dozens of providers
Automatic Fallback Routing
Requests automatically route to the best available provider for each model
OpenAI-Compatible API
Drop-in replacement using the OpenAI SDK format
Provider Optimization
Routes to the fastest or cheapest provider based on your preference
Usage-Based Pricing
Pay per token with no minimum commitments or subscriptions
Prompt Caching
Reduced pricing for cached input tokens on supported models

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

OpenRouter

Advantages

Largest selection of models through a single API
Transparent per-token pricing with no markup on many models
Automatic failover across multiple providers
No vendor lock-in — switch models with a single parameter change

Considerations

Aggregator pricing may include a small margin on some models
Latency may be slightly higher due to routing layer
No fine-tuning or custom model training

Compute Services

Fireworks AI

OpenRouter

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

OpenRouter

Pay-per-token

Usage-based pricing per input and output token, varying by model

Prompt caching

Discounted rates for cached input tokens on supported models

Free models

Select open-source models available at no cost

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

OpenRouter

Get Started

1
Create an account
Sign up at openrouter.ai
2
Get API key
Generate an API key from your dashboard
3
Choose a model
Browse 300+ models across text, image, audio, and video
4
Make API calls
Use OpenAI-compatible endpoints with your OpenRouter key

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

OpenRouter

Global Regions

Global — routes to providers across multiple regions for optimal latency

Support

Documentation, Discord community, and email support