Mistral Large 3 2512 is $1.5 cheaper per 1M input tokens (75% lower; 4x difference).
API cost decision in 10 seconds
Gemini 3.1 Pro Preview vs Mistral Large 3 2512
Pick Mistral Large 3 2512 for lower cost; pick Gemini 3.1 Pro Preview only if the larger context window matters more.
Pricing data updated:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Mistral Large 3 2512 for lower cost; pick Gemini 3.1 Pro Preview only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Mistral Large 3 2512 is estimated at $1.25 vs $8 for Gemini 3.1 Pro Preview, saving $6.75 (84.4% lower).
Cost-first pickMistral Large 3 2512
Context-first pickGemini 3.1 Pro Preview
Sample savings$6.7584.4%
10x traffic gap$67.5
Gemini 3.1 Pro Preview has more context, but Mistral Large 3 2512 saves $6.75 on the standard workload. At 10x that traffic, the same price gap is about $67.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Mistral Large 3 2512 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Gemini 3.1 Pro Preview | Mistral Large 3 2512 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Mistral Large 3 2512 | $16 | $3.25 |
| Balanced workload | 1M input + 1M output | Mistral Large 3 2512 | $14 | $2 |
| Output-heavy chatbot | 1M input + 5M output | Mistral Large 3 2512 | $62 | $8 |
Mistral Large 3 2512 is $10.5 cheaper per 1M output tokens (87.5% lower; 8x difference).
Gemini 3.1 Pro Preview has 786.43K more context (4x larger).
Mistral Large 3 2512 is $6.75 cheaper on the standard workload (84.4% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
Mistral Large 3 2512 has the lower input price; Mistral Large 3 2512 has the lower output price; Gemini 3.1 Pro Preview offers the larger context window. For the 1M input plus 500K output sample, Mistral Large 3 2512 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $8 for Gemini 3.1 Pro Preview and $1.25 for Mistral Large 3 2512.
Choose Gemini 3.1 Pro Preview when you care most about larger context window.
Choose Mistral Large 3 2512 when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Mistral Large 3 2512 is estimated at $1.25 vs $8 for Gemini 3.1 Pro Preview, saving $6.75 (84.4% lower).
- Mistral Large 3 2512 is $6.75 cheaper on the standard workload (84.4% lower).
- Mistral Large 3 2512 is $1.5 cheaper per 1M input tokens (75% lower; 4x difference).
- Mistral Large 3 2512 is $10.5 cheaper per 1M output tokens (87.5% lower; 8x difference).
- Gemini 3.1 Pro Preview has 786.43K more context (4x larger).
| Feature | Gemini 3.1 Pro Preview (Google) | Mistral Large 3 2512 (Mistral) |
|---|---|---|
| Input Price prompt tokens per 1M | $2 | $0.5 |
| Completion Price per 1M tokens | $12 | $1.5 |
| Sample Workload Cost 1M input + 500K output | $8 | $1.25 |
| Context Window | 1.05M | 262.14K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Mistral Large 3 2512 | On the standard 1M input plus 500K output workload, Mistral Large 3 2512 is estimated at $1.25 vs $8 for Gemini 3.1 Pro Preview, saving $6.75 (84.4% lower). |
| High-volume input processing | Mistral Large 3 2512 | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Mistral Large 3 2512 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Gemini 3.1 Pro Preview | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Gemma 4 26B A4B (free) can replace Gemini 3.1 Pro Preview when lower sample workload cost matters most: $0.
- Gemma 4 31B (free) can replace Gemini 3.1 Pro Preview when lower sample workload cost matters most: $0.
- Lyria 3 Pro Preview can replace Gemini 3.1 Pro Preview when lower sample workload cost matters most: $0.
- Lyria 3 Clip Preview can replace Gemini 3.1 Pro Preview when lower sample workload cost matters most: $0.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- GPT-5.4 offers 1.05M context with $10 sample workload cost.
- No popular competitor is currently available.
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Open Mistral modelsGemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
Mistral Large 3 2512 is Mistral’s most capable model to date, featuring a sparse mixture-of-experts architecture with 41B active parameters (675B total), and released under the Apache 2.0 license.