Which AI models does Fireworks serve?

Of the models we benchmark, Fireworks serves 4 through OpenRouter: Muse Spark Open, DeepSeek V4.1 Flash 1017, GLM 5.3 Flash, GLM 5.3.

What is the most accurate model on Fireworks?

Muse Spark Open by Meta, with a verification score of 77.5% (62 of 80 questions correct) in our tests.

Is Fireworks the cheapest host?

Fireworks has the lowest list price for 1 of the 4 models it serves that other hosts also serve (Muse Spark Open). Its median markup over the cheapest host is +249%.

How reliable is Fireworks?

Averaged over the models it serves, Fireworks reported 100% uptime in the 30 minutes before OpenRouter's catalogue was read for our run.

API host · catalogue checked 27 Oct 2026

Fireworks: models, prices and uptime

Fireworks serves 4 of the 78 models we benchmark through OpenRouter. Prices are OpenRouter's list prices per million tokens. We did not measure speed per host.

Models served4of 78 we test

Cheapest host for1of 4 shared models

Median premium+249%over the cheapest host

Uptime100%last 30 min, average

Most accurate models on Fireworks

Verification score of each model this host serves

1Muse Spark OpenMeta77.5%
2DeepSeek V4.1 Flash 1017DeepSeek73.8%
3GLM 5.3 FlashZ.ai67.5%
4GLM 5.3Z.ai67.5%

Models on Fireworks

Premium: this host's blended price (3 input : 1 output) against the cheapest host for the same model

Model	Score	Input / 1M	Output / 1M	vs cheapest host	Hosts	Context	Max output	Quantization	Uptime
Muse Spark Open	77.5%	$1.25	$4.25	Cheapest	6	1M	944k	—	100%
DeepSeek V4.1 Flash 1017	73.8%	$0.21	$0.84	+225%	30	1M	944k	—	100%
GLM 5.3 Flash	67.5%	$0.15	$0.5	+406%	34	1M	944k	—	100%
GLM 5.3	67.5%	$0.98	$3.08	+274%	37	1M	944k	—	100%

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Fireworks: frequently asked questions

Which AI models does Fireworks serve?: Of the models we benchmark, Fireworks serves 4 through OpenRouter: Muse Spark Open, DeepSeek V4.1 Flash 1017, GLM 5.3 Flash, GLM 5.3.
What is the most accurate model on Fireworks?: Muse Spark Open by Meta, with a verification score of 77.5% (62 of 80 questions correct) in our tests.
Is Fireworks the cheapest host?: Fireworks has the lowest list price for 1 of the 4 models it serves that other hosts also serve (Muse Spark Open). Its median markup over the cheapest host is +249%.
How reliable is Fireworks?: Averaged over the models it serves, Fireworks reported 100% uptime in the 30 minutes before OpenRouter's catalogue was read for our run.