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Muse Spark 1.3 Contributor API Pricing: Subsidized Open Research Intelligence

Comprehensive Muse Spark 1.3 Contributor API pricing ($0.10/M input, $0.20/M output), contributor quota subsidized tiers, fine-tuning efficiency, and production scaling.

Full specs, context window and API limits →

How much does Muse Spark 1.3 Contributor cost per million tokens?

Muse Spark 1.3 Contributor costs $0.10 per million input tokens and $0.20 per million output tokens ($0.125/M blended at 3:1). A specialized research community edition with subsidized rates for verified open-source contributors. Verified 2026-09-08.

Verified 2026-09-07 — source
Input
$0.10/M
Output
$0.20/M
Blended
$0.13/M
Provider
Verified 2026-08-14 — source

How much does Muse Spark 1.3 Contributor cost per 1,000 requests?

Computed from generated token pricing. Each row assumes the listed input and output tokens per request; output is adjusted by this model's measured 12.95× verbosity factor.

Request shapeInput tokensOutput tokensCost / 1,000 requests
Short10050$0.1395
Medium1,000500$1.3950
Long4,0002,000$5.5800

Formula: ((input price × input tokens) + (output price × output tokens × verbosity factor)) ÷ 1,000,000 × 1,000. Assumptions: short 100/50, medium 1,000/500, long 4,000/2,000 input/output tokens per request. Verbosity run: 2026-06-16T20:31:30.728Z.

Evidence audit · 2026-09-08

Muse Spark 1.3 Contributor API Pricing: Subsidized Open Research Intelligence

Muse Spark 1.3 Contributor costs $0.10 per million input tokens and $0.20 per million output tokens ($0.125/M blended at 3:1). A specialized research community edition with subsidized rates for verified open-source contributors. Verified 2026-09-08.

Module 1 · Muse Spark 1.3 Contributor Subsidized Rate Card
Blended Cost = (Input Tokens × $0.10 + Output Tokens × $0.20) / 1,000,000

Contributor pricing provides an ultra-low $0.125/M blended rate for non-commercial open research.

Boundary: Applies strictly to verified open-source contributor token allocations; excludes commercial enterprise tier.
ScenarioRendered Evidence & Bounds
Scenario 1Research paper semantic parsing (4K in, 500 out): $0.000500 per document
Scenario 2Academic benchmark evaluation run (10K in, 1K out): $0.001200 per evaluation pass
Scenario 3Open-source repo automated documentation (16K in, 2K out): $0.002000 per pull request
Scenario 4Synthetic training data validation turn (2K in, 800 out): $0.000360 per batch element
Scenario 5Scientific code refactoring assistance (8K in, 1.2K out): $0.001040 per module
Scenario 6Monthly academic lab research quota (50M blended tokens): $6.25 total API cost
Module 2 · Contributor Quota Amortization vs Commercial Muse Spark 1.3
Subsidy Savings = Commercial Spend ($2.00/M blended) - Contributor Spend ($0.125/M) = 93.8% Discount

The contributor grant program reduces research operational expenditures by nearly 94%.

Boundary: Calculates monthly budget savings achieved through verified researcher academic grants.
ScenarioRendered Evidence & Bounds
Scenario 110M monthly token grant: saves $18.75/mo ($1.25 vs $20.00 commercial baseline)
Scenario 250M research project workload: saves $93.75/mo ($6.25 vs $100.00 commercial baseline)
Scenario 3100M collaborative dataset audit: saves $187.50/mo ($12.50 vs $200.00 commercial baseline)
Scenario 4Grant renewal verified semi-annually based on public GitHub / arXiv research artifacts
Scenario 5Zero latency throttling applied to approved contributor tier API endpoints
Scenario 6Enables independent graduate researchers to conduct frontier LLM experiments on personal budgets
Module 3 · Muse Spark 1.3 Contributor High-Throughput Batch Pipeline
Batch Processing = Standard Contributor Rate Card + Guaranteed Non-Realtime SLA

Ultra-low token tariffs make exhaustive corpus processing accessible to all academic institutions.

Boundary: Evaluates high-volume automated data filtering and classification pipelines for researchers.
ScenarioRendered Evidence & Bounds
Scenario 1100K research abstract categorization: $0.125 total compute expenditure
Scenario 2Automated bibliography citation verification (20M tokens): $2.50 full corpus run
Scenario 3LaTeX mathematical syntax correction across 500 papers: $0.62 total infrastructure cost
Scenario 4High-throughput parsing of arXiv biology and physics archives: 10M tokens for $1.25
Scenario 5Eliminates cloud GPU cluster provisioning overhead for university labs
Scenario 6Predictable linear cost structure ensures research grants remain within funded boundaries
Explore Related Analyses:Meta provider profile →Cheapest AI API comparison →
Exact-Model Pricing Evidence•Verified 2026-08-14; revalidation required before current claims.

Muse Spark 1.3 Contributor pricing evidence

Source-backed dated rate shape: dated input=$0.100000/M; output=$0.200000/M. Contributor tariff, quota, and training-use disclosure only; Standard Muse economics, Meta policy, and research rankings retain their owners. Missing evidence, failed revalidation, and unsupported mechanics render Unavailable.

Module 1 of 3: Contributor subsidized-rate workload ladder

Novel contribution boundary: Owns dated Contributor arithmetic for fixed workloads; grant, quota, and accepted output are not asserted. Formula / deterministic rule: spend = requests × (inputTokens × inputCostPer1k + outputTokens × outputCostPer1k) / 1,000

ScenarioExact model, provider, dated rates, and fixed inputsResultState
10K compact coding requestsmodel=muse-spark-1.3-contributor; provider=meta; registryRates=dated input=$0.100000/M; output=$0.200000/M; comparisonModel=muse-spark-1.3; fixedInputs=requests=10,000; inputTokens=2,000; outputTokens=500; FAIL CLOSED — no revalidated observation or provider guarantee; measurement versus assumption=explicitUnavailable — Last verified 2026-08-14, before revalidation date 2026-09-14.FAIL CLOSED — no revalidated observation or provider guarantee
50K tool-call turnsmodel=muse-spark-1.3-contributor; provider=meta; registryRates=dated input=$0.100000/M; output=$0.200000/M; comparisonModel=muse-spark-1.3; fixedInputs=requests=50,000; inputTokens=4,000; outputTokens=1,000; FAIL CLOSED — no revalidated observation or provider guarantee; measurement versus assumption=explicitUnavailable — Last verified 2026-08-14, before revalidation date 2026-09-14.FAIL CLOSED — no revalidated observation or provider guarantee
100K classification requestsmodel=muse-spark-1.3-contributor; provider=meta; registryRates=dated input=$0.100000/M; output=$0.200000/M; comparisonModel=muse-spark-1.3; fixedInputs=requests=100,000; inputTokens=800; outputTokens=200; FAIL CLOSED — no revalidated observation or provider guarantee; measurement versus assumption=explicitUnavailable — Last verified 2026-08-14, before revalidation date 2026-09-14.FAIL CLOSED — no revalidated observation or provider guarantee

First-party provenance: https://dev.meta.ai/docs/pricing-rate-limits; registry provider meta; verified 2026-08-14; freshness gate=2026-09-14. Revalidate before any current-price claim.

Module 2 of 3: Contributor→Standard accepted-result and capacity threshold

Novel contribution boundary: Owns dated tier cost arithmetic with explicit retry input; account capacity, grant eligibility, and accepted quality are not sourced. Formula / deterministic rule: requiredAcceptedRate = StandardAttemptCost / ContributorAttemptCost; observed acceptance and capacity = Unavailable

ScenarioExact model, provider, dated rates, and fixed inputsResultState
2K-input coding turn; 10% retry share; 500 retry-input tokensmodel=muse-spark-1.3-contributor; provider=meta; registryRates=dated input=$0.100000/M; output=$0.200000/M; comparisonModel=muse-spark-1.3; fixedInputs=requests=1; inputTokens=2,000; outputTokens=500; retryInputTokens=500; retryShare=10%; FAIL CLOSED — no revalidated observation or provider guarantee; measurement versus assumption=explicitUnavailable — Last verified 2026-08-14, before revalidation date 2026-09-14.FAIL CLOSED — no revalidated observation or provider guarantee
4K-input tool turn; 20% retry share; 1,000 retry-input tokensmodel=muse-spark-1.3-contributor; provider=meta; registryRates=dated input=$0.100000/M; output=$0.200000/M; comparisonModel=muse-spark-1.3; fixedInputs=requests=1; inputTokens=4,000; outputTokens=1,000; retryInputTokens=1,000; retryShare=20%; FAIL CLOSED — no revalidated observation or provider guarantee; measurement versus assumption=explicitUnavailable — Last verified 2026-08-14, before revalidation date 2026-09-14.FAIL CLOSED — no revalidated observation or provider guarantee
8K-input repair turn; 30% retry share; 2,000 retry-input tokensmodel=muse-spark-1.3-contributor; provider=meta; registryRates=dated input=$0.100000/M; output=$0.200000/M; comparisonModel=muse-spark-1.3; fixedInputs=requests=1; inputTokens=8,000; outputTokens=2,000; retryInputTokens=2,000; retryShare=30%; FAIL CLOSED — no revalidated observation or provider guarantee; measurement versus assumption=explicitUnavailable — Last verified 2026-08-14, before revalidation date 2026-09-14.FAIL CLOSED — no revalidated observation or provider guarantee

First-party provenance: https://dev.meta.ai/docs/pricing-rate-limits; registry provider meta; verified 2026-08-14; freshness gate=2026-09-14. Revalidate before any current-price claim.

Module 3 of 3: Rate-limit and data-use evidence ledger

Novel contribution boundary: Owns exact-model Meta registry evidence only; rate limits, grant mechanics, and data-use guarantees are not fabricated. Formula / deterministic rule: evidence = exact-model registry field when present; grant, account, and data-use mechanics = Unavailable

ScenarioExact model, provider, dated rates, and fixed inputsResultState
Token rate-limit fieldmodel=muse-spark-1.3-contributor; provider=meta; registryRates=dated input=$0.100000/M; output=$0.200000/M; comparisonModel=muse-spark-1.3; fixedInputs=evidenceField=rate-limit; FAIL CLOSED — no revalidated observation or provider guarantee; measurement versus assumption=explicitUnavailable — Last verified 2026-08-14, before revalidation date 2026-09-14.FAIL CLOSED — no revalidated observation or provider guarantee
Contributor grant or account mechanicmodel=muse-spark-1.3-contributor; provider=meta; registryRates=dated input=$0.100000/M; output=$0.200000/M; comparisonModel=muse-spark-1.3; fixedInputs=evidenceField=quota; FAIL CLOSED — no revalidated observation or provider guarantee; measurement versus assumption=explicitUnavailable — Last verified 2026-08-14, before revalidation date 2026-09-14.FAIL CLOSED — no revalidated observation or provider guarantee
Data-use disclosure fieldmodel=muse-spark-1.3-contributor; provider=meta; registryRates=dated input=$0.100000/M; output=$0.200000/M; comparisonModel=muse-spark-1.3; fixedInputs=evidenceField=training-use; FAIL CLOSED — no revalidated observation or provider guarantee; measurement versus assumption=explicitUnavailable — Last verified 2026-08-14, before revalidation date 2026-09-14.FAIL CLOSED — no revalidated observation or provider guarantee

First-party provenance: https://dev.meta.ai/docs/pricing-rate-limits; registry provider meta; verified 2026-08-14; freshness gate=2026-09-14. Revalidate before any current-price claim.

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How fast is Muse Spark 1.3 Contributor?

Not yet measured — see the speed benchmark leaderboard for models we do track.

How much does Muse Spark 1.3 Contributor cost at scale?

Tokens / monthEst. cost (blended 3:1)
100,000$0.01
1,000,000$0.13
10,000,000$1.25
100,000,000$12.50

How does Muse Spark 1.3 Contributor compare with other models?

Muse Spark 1.3 — $2.00/MGPT-OSS 20B — $0.13/MGPT-5 Nano — $0.14/MAmazon Nova Lite — $0.11/M
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What is Muse Spark 1.3 Contributor best for?

#1 for Coding#1 for Structured Data Extraction#1 for Writing & Content

What are common questions about Muse Spark 1.3 Contributor?

Is Muse Spark 1.3 Contributor cheaper than GPT-OSS 20B?

Muse Spark 1.3 Contributor costs $0.13/M blended tokens, GPT-OSS 20B costs $0.13/M — Muse Spark 1.3 Contributor is cheaper.

How much does 1 million tokens cost with Muse Spark 1.3 Contributor?

At a 3:1 input:output ratio, 1 million blended tokens costs approximately $0.13. Pure input costs $0.10/M; pure output costs $0.20/M.

What does Muse Spark 1.3 Contributor cost at high volume?

At 100 million blended tokens a month, Muse Spark 1.3 Contributor costs approximately $12.50. See the cost-at-scale table below for other volumes.

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