Muse Spark 1.3 vs Qwen3.8 Flash

rates, context and capabilities side by side on the impossibl api, and what the same workload costs on each.

the models at a glance: base rates, context window and modalities
specificationMuse Spark 1.3

meta/muse-spark-1.3

Qwen3.8 Flash

qwen/qwen3.8-flash

input · usd / 1m tok$1.25$0.15
output · usd / 1m tok$4.25$0.47
context window1.05mtokens1mtokens
modalities · in → out

takes text and image in, gives text out

takes text and image in, gives text out

pricing

base api rates by model
base api rates · usd per 1m tokensMuse Spark 1.3

meta/muse-spark-1.3

Qwen3.8 Flash

qwen/qwen3.8-flash

input$1.25$0.15
output$4.25$0.47
cache read$0.15$0.016
cache write · default ttlnot published$0.20

the estimate below prices one workload at these rates on every model.

specifications

published specifications by model
as publishedMuse Spark 1.3

meta/muse-spark-1.3

Qwen3.8 Flash

qwen/qwen3.8-flash

creatorMetaQwen
model typeText generationText generation
context window1,048,576tokens1,000,000tokens
input

takes text and image in, gives text out

takes text and image in, gives text out

outputtexttext
tool callingnot verifiednot verified
releasedsep 2, 2026not published
endpoint/v1/chat/completions/v1/chat/completions

unknown means the public catalog does not establish that fact. a model's documented capabilities can differ from what a particular api supports. see the model documentation for integration details.

benchmarks

benchmark scores by model, primary tested configuration
primary configurationMuse Spark 1.3

meta/muse-spark-1.3

max

Qwen3.8 Flash

qwen/qwen3.8-flash

no benchmarks yet

intelligence index · gateway rank48.2#5 of 90not measured
coding index75.8#11 of 60not measured
agentic index55.7#3 of 49not measured
omniscience25.0#12 of 86not measured
gpqa93.5%#8 of 88
not measured
humanity’s last exam48.7%#6 of 89
not measured
terminal-bench v2.184.3%#12 of 57
not measured
aa-lcr83.0%
not measured
scicode58.8%
not measured
automationbench partial57.9%
not measured
tau banking50.5%
not measured
multilingual lcr41.1%
not measured
terminal-bench v4.033.3%
not measured
gdp.pdf all-pass26.6%
not measured
critpt24.9%
not measured

Muse Spark 1.3 source ↗

each column describes the tested configuration named under the model; performance and costs can differ on impossibl. a score one model was not measured on is left blank rather than scored zero. indices are ranked against every model on the gateway with one. last checked 2026-09-11.

estimate your cost

one token workload, priced on every model at the published rates, in usd. change the numbers to match yours.

token workload

total input, including cached tokens

include billable reasoning tokens

the same token usage in each request

a subset of total input, never additional tokens

Muse Spark 1.3

meta/muse-spark-1.3

estimated usage cost

$3.375

1,000 requests × (1,000 uncached input × $1.25 + 500 output × $4.25) / 1,000,000 = $3.375

base rates; no context pricing tiers are published.

Qwen3.8 Flash

qwen/qwen3.8-flash

estimated usage cost

$0.385

1,000 requests × (1,000 uncached input × $0.15 + 500 output × $0.47) / 1,000,000 = $0.385

base rates; no context pricing tiers are published.

estimates use published impossibl api usage rates. configured billing adjustments, funding fees, taxes, and custom workspace rates are excluded and may change the final amount.

image and audio usage, cache creation, and additional tool charges are excluded. reasoning tokens count as billable output, even when they are not visible in the response.

summary

Muse Spark 1.3 and Qwen3.8 Flash are available through the Impossibl API. they share the /v1/chat/completions endpoint; the model identifier selects the model for a request.

Muse Spark 1.3 is created by Meta. It has a 1,048,576-token context window. Base API pricing (USD): $1.25 per million input tokens; $4.25 per million output tokens.

Qwen3.8 Flash is created by Qwen. It has a 1,000,000-token context window. Base API pricing (USD): $0.15 per million input tokens; $0.47 per million output tokens.

Muse Spark 1.3Qwen3.8 Flash

this page compares Muse Spark 1.3 vs Qwen3.8 Flash as listed by the impossibl public api. prices and availability come from that catalog, refreshed here every five minutes. this is an impossibl offering, not a comparison of independent hosting-provider quotes.

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