All comparisons · Prices checked 2026-10-01

Muse Spark 1.3 vs Gemini 3.1 Pro: API cost comparison

For a typical chatbot reply, Muse Spark 1.3 costs $0.0036 and Gemini 3.1 Pro costs $0.0074 per request: Muse Spark 1.3 is 2.1× cheaper. Muse Spark 1.3 is cheaper in every workload below.

API prices

Muse Spark 1.3Gemini 3.1 Pro
MakerMetaGoogle
Input / 1M tokens$1.25$2
Output / 1M tokens$4.25$12
Output vs input price3.4×6.0×
Context window1M tokens1.05M tokens
Tokens for the same English textbaseline (GPT o200k count)~95% of GPT's count (estimate)

Capability

On the Epoch Capabilities Index, Gemini 3.1 Pro scores 154.8; Muse Spark 1.3 has not been measured yet. See capability vs price for all models.

Capability scores: Epoch Capabilities Index by Epoch AI, used under CC BY 4.0.

Cost by workload

Workload (per 1,000 requests)Muse Spark 1.3Gemini 3.1 ProCheaper
Chatbot reply
short question plus some chat history · 1,500 in / 400 out
$3.58$7.41Muse Spark 1.3 2.1× cheaper
Document Q&A (RAG)
retrieved passages plus a question · 8,000 in / 500 out
$12.12$20.90Muse Spark 1.3 1.7× cheaper
Coding agent step
large working context, short edit · 25,000 in / 800 out
$34.65$56.62Muse Spark 1.3 1.6× cheaper
Summarize a long report
long input, short summary · 20,000 in / 300 out
$26.27$41.42Muse Spark 1.3 1.6× cheaper
Write an article
short brief, long draft · 800 in / 2,000 out
$9.50$24.32Muse Spark 1.3 2.6× cheaper
Bar chart: Muse Spark 1.3 vs Gemini 3.1 Pro API cost per 1,000 requests for chatbot, RAG, coding agent, summary and article workloads
Muse Spark 1.3 vs Gemini 3.1 Pro: cost per 1,000 requests by workload (USD).

Muse Spark 1.3 is cheaper on both input and output, so it costs less for every kind of request. The gap is 1.5× on input and 2.7× on output once the tokenizer difference is included.

Same text, different token counts. Each company uses its own tokenizer. By our estimate Muse Spark 1.3 counts about 5% more tokens than Gemini 3.1 Pro for the same English text, and the costs above already include that. Paste your own prompt into the token counter to see both counts.

Monthly cost

Monthly volumeMuse Spark 1.3Gemini 3.1 Pro
10,000 chatbot replies / month$35.75$74.10
100,000 chatbot replies / month$358$741
1,000,000 chatbot replies / month$3,575$7,410

Calculate your own

Enter your typical request size and volume.

Token counts are for English text measured with GPT's tokenizer; each model's own tokenizer difference is applied automatically.

Questions

Which is cheaper, Muse Spark 1.3 or Gemini 3.1 Pro?

For a typical chatbot reply (1,500 input and 400 output tokens), Muse Spark 1.3 costs $0.0036 and Gemini 3.1 Pro costs $0.0074 per request, so Muse Spark 1.3 is 2.1× cheaper. Muse Spark 1.3 is cheaper in every workload below.

How much do Muse Spark 1.3 and Gemini 3.1 Pro cost per million tokens?

Muse Spark 1.3 costs $1.25 per 1M input tokens and $4.25 per 1M output tokens. Gemini 3.1 Pro costs $2 input and $12 output. Prices checked 2026-10-01.

Do both models count the same text as the same number of tokens?

No. Each model family has its own tokenizer, so the same text can be a different number of tokens. The costs on this page already include that difference (estimated from GPT's tokenizer).

Related comparisons

Paste a real prompt to see its exact tokens and cost on Muse Spark 1.3, Gemini 3.1 Pro and 30+ other models.

Open the token counter →

Standard API list prices, short-context tier, no caching or batch discounts. Prices change; check each provider's pricing page before large jobs.