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 1.3 | Gemini 3.1 Pro | |
|---|---|---|
| Maker | Meta | |
| Input / 1M tokens | $1.25 | $2 |
| Output / 1M tokens | $4.25 | $12 |
| Output vs input price | 3.4× | 6.0× |
| Context window | 1M tokens | 1.05M tokens |
| Tokens for the same English text | baseline (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 1.3 | Gemini 3.1 Pro | Cheaper |
|---|---|---|---|
| Chatbot reply short question plus some chat history · 1,500 in / 400 out | $3.58 | $7.41 | Muse Spark 1.3 2.1× cheaper |
| Document Q&A (RAG) retrieved passages plus a question · 8,000 in / 500 out | $12.12 | $20.90 | Muse Spark 1.3 1.7× cheaper |
| Coding agent step large working context, short edit · 25,000 in / 800 out | $34.65 | $56.62 | Muse Spark 1.3 1.6× cheaper |
| Summarize a long report long input, short summary · 20,000 in / 300 out | $26.27 | $41.42 | Muse Spark 1.3 1.6× cheaper |
| Write an article short brief, long draft · 800 in / 2,000 out | $9.50 | $24.32 | Muse Spark 1.3 2.6× cheaper |
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 volume | Muse Spark 1.3 | Gemini 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).
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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.