API cost decision in 10 seconds
NewGrok Build 0.1 vs 🔥Gemini 3 Flash Preview
The standard workload cost is tied; choose by context window, provider fit, latency, or model quality.
Pricing data updated:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
The standard workload cost is tied; choose by context window, provider fit, latency, or model quality.
Both models are estimated at $2 for the standard 1M input plus 500K output workload.
Cost-first pickTie
Context-first pickGemini 3 Flash Preview
Sample savings$00%
10x traffic gap$0
Context-window winner: Gemini 3 Flash Preview. Cost does not separate this pair on the standard workload, so the next decision point is context window and model behavior.
Cost sensitivity
Workload Sensitivity
Cost winner changes by workload shape: input-heavy / RAG favors Gemini 3 Flash Preview, balanced workload favors Grok Build 0.1, and output-heavy chatbot favors Grok Build 0.1.
| Workload shape | Token mix | Better pick | Grok Build 0.1 | Gemini 3 Flash Preview |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Gemini 3 Flash Preview | $6 | $4 |
| Balanced workload | 1M input + 1M output | Grok Build 0.1 | $3 | $3.5 |
| Output-heavy chatbot | 1M input + 5M output | Grok Build 0.1 | $11 | $15.5 |
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
Gemini 3 Flash Preview has the lower input price, Grok Build 0.1 has the lower output price, and Gemini 3 Flash Preview offers the larger context window.
For a 1M input token plus 500K output token workload, the estimated API cost is $2 for Grok Build 0.1 and $2 for Gemini 3 Flash Preview.
Choose Grok Build 0.1 when you care most about lower output-token price.
Choose Gemini 3 Flash Preview when you care most about lower input-token price, and larger context window.
| Feature | NewGrok Build 0.1 (xAI) | 🔥Gemini 3 Flash Preview (Google) |
|---|---|---|
| Input Price prompt tokens per 1M | $1 | $0.5 |
| Completion Price per 1M tokens | $2 | $3 |
| Sample Workload Cost 1M input + 500K output | $2 | $2 |
| Context Window | 256K | 1.05M |
| Release Date | 2026-05-20 | 2025-12-17 |
| Popularity | #7 |
Grok Build 0.1 is xAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...
Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool...
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Tie | Both models are estimated at $2 for the standard 1M input plus 500K output workload. |
| High-volume input processing | Gemini 3 Flash Preview | Lower prompt-token price matters most when prompts or retrieved passages dominate the bill. |
| Long responses and chatbots | Grok Build 0.1 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Gemini 3 Flash Preview | A larger context window leaves more room for retrieved passages and source files. |