Model comparison
Gemini 3.1 Pro Preview vs Cohere Command A
Compare Gemini 3.1 Pro Preview vs Cohere Command A API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.
Gemini 3.1 Pro Preview
gemini · gemini/gemini-3.1-pro-preview
- Input
- $2
- Output
- $12
- Context
- 1M
Cohere Command A
cohere_chat · command-a-03-2025
- Input
- $2.5
- Output
- $10
- Context
- 256K
Quick take
Gemini 3.1 Pro Preview has the lower input price at $2 per 1M input tokens. Gemini 3.1 Pro Preview is cheaper for the example blended workload below. Gemini 3.1 Pro Preview has the larger context window at 1M tokens.
Choose Gemini 3.1 Pro Preview if...
- Gemini 3.1 Pro Preview is the better default for cost-sensitive traffic and repeated high-volume calls.
- Gemini 3.1 Pro Preview is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.
- Gemini 3.1 Pro Preview gives more room for long generated answers, reports, or code output.
Choose Cohere Command A if...
- Cohere Command A is a reasonable pick when its provider, latency, or integration path fits your stack better.
Example workload cost
Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.
| Workload | Gemini 3.1 Pro Preview | Cohere Command A | Cheaper |
|---|---|---|---|
| 1M input + 200K output | $4.40 | $4.50 | Gemini 3.1 Pro Preview |
| 10M input + 2M output | $44.00 | $45.00 | Gemini 3.1 Pro Preview |
| 100M input + 20M output | $440.00 | $450.00 | Gemini 3.1 Pro Preview |
Context, output, and capability fit
Gemini 3.1 Pro Preview provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.
- Gemini 3.1 Pro Preview max output
- 65.5K
- Cohere Command A max output
- 8K
- Gemini 3.1 Pro Preview features
- prompt caching, function calling, vision
- Cohere Command A features
- function calling
Risk notes for Gemini 3.1 Pro Preview
- Preview or beta model: verify availability and pricing before production rollout.
Risk notes for Cohere Command A
- No prompt caching in this snapshot: repeated long-context calls may be more expensive.
Routing tags
frontierpreviewreasoninglong-contextmultimodalenterprise-ragragagents