Gemini 3.5 Flash (batch) is $1.25 cheaper per 1M input tokens (62.5% lower; 2.67x difference).
API cost decision in 10 seconds
Grok Latest vs Gemini 3.5 Flash (batch)
Pick Gemini 3.5 Flash (batch) when budget and context both matter.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Gemini 3.5 Flash (batch) when budget and context both matter.
On the standard 1M input plus 500K output workload, Gemini 3.5 Flash (batch) is estimated at $3 vs $5 for Grok Latest, saving $2 (40% lower).
Cost-first pickGemini 3.5 Flash (batch)
Context-first pickGemini 3.5 Flash (batch)
Sample savings$240%
10x traffic gap$20
Gemini 3.5 Flash (batch) is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $20. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Gemini 3.5 Flash (batch) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Grok Latest | Gemini 3.5 Flash (batch) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Gemini 3.5 Flash (batch) | $13 | $6 |
| Balanced workload | 1M input + 1M output | Gemini 3.5 Flash (batch) | $8 | $5.25 |
| Output-heavy chatbot | 1M input + 5M output | Gemini 3.5 Flash (batch) | $32 | $23.25 |
Gemini 3.5 Flash (batch) is $1.5 cheaper per 1M output tokens (25% lower; 1.33x difference).
Gemini 3.5 Flash (batch) has 548.58K more context (2.1x larger).
Gemini 3.5 Flash (batch) is $2 cheaper on the standard workload (40% 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
Gemini 3.5 Flash (batch) has the lower input price; Gemini 3.5 Flash (batch) has the lower output price; Gemini 3.5 Flash (batch) offers the larger context window. For the 1M input plus 500K output sample, Gemini 3.5 Flash (batch) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $5 for Grok Latest and $3 for Gemini 3.5 Flash (batch).
Choose Grok Latest when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
Choose Gemini 3.5 Flash (batch) when you care most about lower input-token price, lower output-token price, and larger context window.
- On the standard 1M input plus 500K output workload, Gemini 3.5 Flash (batch) is estimated at $3 vs $5 for Grok Latest, saving $2 (40% lower).
- Gemini 3.5 Flash (batch) is $2 cheaper on the standard workload (40% lower).
- Gemini 3.5 Flash (batch) is $1.25 cheaper per 1M input tokens (62.5% lower; 2.67x difference).
- Gemini 3.5 Flash (batch) is $1.5 cheaper per 1M output tokens (25% lower; 1.33x difference).
- Gemini 3.5 Flash (batch) has 548.58K more context (2.1x larger).
| Feature | Grok Latest (xAI) | Gemini 3.5 Flash (batch) (Google) |
|---|---|---|
| Input Price prompt tokens per 1M | $2 | $0.75 |
| Completion Price per 1M tokens | $6 | $4.5 |
| Sample Workload Cost 1M input + 500K output | $5 | $3 |
| Context Window | 500K | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Gemini 3.5 Flash (batch) | On the standard 1M input plus 500K output workload, Gemini 3.5 Flash (batch) is estimated at $3 vs $5 for Grok Latest, saving $2 (40% lower). |
| High-volume input processing | Gemini 3.5 Flash (batch) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Gemini 3.5 Flash (batch) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Gemini 3.5 Flash (batch) | 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 3.5 Flash (batch) when lower sample workload cost matters most: $0.
- Gemma 4 31B (free) can replace Gemini 3.5 Flash (batch) when lower sample workload cost matters most: $0.
- Lyria 3 Pro Preview can replace Gemini 3.5 Flash (batch) when lower sample workload cost matters most: $0.
- Lyria 3 Clip Preview can replace Gemini 3.5 Flash (batch) when lower sample workload cost matters most: $0.
- Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
- DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
- DeepSeek V4 Flash 0731 · DeepSeek · #1
- MiMo-V2.5 · Xiaomi · #2
- Hy3 · Tencent · #3
- Ox Alpha · stealth · #4
Cheaper alternatives
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Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. It is highly optimized for coding proficiency and parallel agentic execution...