Gemini 3.5 Flash-Lite vs Grok 4.7: pricing and benchmarks
Gemini 3.5 Flash-Lite is 85% cheaper on input tokens ($0.30 vs $2.00 per 1M). Gemini 3.5 Flash-Lite is 58% cheaper on output tokens ($2.50 vs $6.00 per 1M). On our document Q&A workload (50,000 questions a month), Gemini 3.5 Flash-Lite costs $195.00 a month versus $980.00 for Grok 4.7, 80% less. Grok 4.7 scores 154.4 on the Epoch Capabilities Index vs 145.2 for Gemini 3.5 Flash-Lite.
Which should you choose?
Grok 4.7 scores 154.4 on the Epoch Capabilities Index vs 145.2 for Gemini 3.5 Flash-Lite.
Grok 4.7 scores 53.0% on FrontierMath (Tiers 1–3) vs 26.0% for Gemini 3.5 Flash-Lite.
Gemini 3.5 Flash-Lite costs $0.85 per 1M tokens (3:1 input-to-output mix) vs $3.00 for Grok 4.7, 72% less.
A trade-off: Grok 4.7 is 9.2 ECI points more capable but costs 3.5x as much as Gemini 3.5 Flash-Lite.
Pricing and specs
| Gemini 3.5 Flash-Lite | Grok 4.7 | |
|---|---|---|
| Provider | xAI | |
| API model ID | gemini-3.5-flash-lite | grok-4.7 |
| Input / 1M tokens | $0.30 | $2.00 |
| Cached input / 1M tokens | $0.03 | $0.50 |
| Output / 1M tokens | $2.50 | $6.00 |
| Long-context rates | — | $4.00 in / $12.00 out above 200K prompt tokens |
| Context window | 1.05M tokens | 500K tokens |
| Max output | 66K tokens | — |
| Batch discount | 50% off | — |
Benchmarks
| Gemini 3.5 Flash-Lite | Grok 4.7 | |
|---|---|---|
| Epoch Capabilities Index | 145.2 | 154.4 |
| GPQA Diamond· Science reasoning | 83.3% | 92.7% |
| FrontierMath (Tiers 1–3)· Advanced math | 26.0% | 53.0% |
| SimpleQA Verified· Factual accuracy | — | 56.0% |
| ARC-AGI-2· Abstract reasoning | 10.3% | 61.4% |
| DeepSWE· Coding | — | — |
| APEX-Agents· Agentic work | 29.3% | 54.6% |
Source: Epoch AI, best recorded result per model (CC BY 4.0). A dash means no published score. See all benchmarks
Monthly cost for real workloads
| Workload | Gemini 3.5 Flash-Lite | Grok 4.7 | Difference |
|---|---|---|---|
Support chatbot 100,000 replies a month, ~1,500 input tokens (system prompt + history) and ~400 output tokens each. | $145.00 | $540.00 | Gemini 3.5 Flash-Lite 73% cheaper |
Document Q&A (RAG) 50,000 questions a month with ~8,000 tokens of retrieved context and ~600 output tokens each. | $195.00 | $980.00 | Gemini 3.5 Flash-Lite 80% cheaper |
Coding agent 10,000 agent steps a month, ~40,000 input tokens each (70% read from the prompt cache) and ~2,000 output tokens. | $94.40 | $500.00 | Gemini 3.5 Flash-Lite 81% cheaper |
Cached chatbot The same 100,000-reply support chatbot, but 60% of each prompt (system prompt + conversation history) is served from the prompt cache. | $120.70 | $405.00 | Gemini 3.5 Flash-Lite 70% cheaper |
Meeting notes 10,000 meetings a month summarized from ~12,000-token transcripts, ~1,000 output tokens each. | $61.00 | $300.00 | Gemini 3.5 Flash-Lite 80% cheaper |
Bulk translation 200,000 short translations a month, ~800 input and ~800 output tokens each. | $448.00 | $1,280 | Gemini 3.5 Flash-Lite 65% cheaper |
Content moderation 1,000,000 classifications a month, ~400 input tokens and ~80 output tokens each. | $320.00 | $1,280 | Gemini 3.5 Flash-Lite 75% cheaper |
Article drafting 300 long-form articles a month written from a ~4,000-token brief and outline, ~5,000 output tokens each. | $4.11 | $11.40 | Gemini 3.5 Flash-Lite 64% cheaper |
Code review bot 30,000 pull-request reviews a month, ~5,000 input tokens each (30% cached repository context) and ~700 output tokens. | $85.35 | $358.50 | Gemini 3.5 Flash-Lite 76% cheaper |
Invoice extraction 100,000 documents a month parsed into structured JSON, ~1,200 input and ~250 output tokens each. | $98.50 | $390.00 | Gemini 3.5 Flash-Lite 75% cheaper |
Estimates use standard list prices and ignore cache-write surcharges. Different tokenizers can count the same text differently, so test with your own prompts.
Gemini 3.5 Flash-Lite vs Grok 4.7 cost calculator
- $195.00/mo$0.0039 / req
- Grok 4.7xAI$980.00/mo$0.02 / req
Standard-tier list prices. Long-context rates apply automatically where the provider publishes a threshold. Excludes cache-write surcharges, taxes, batch and volume discounts.
Gemini 3.5 Flash-Lite pricing notes
Google’s lowest-cost Gemini 3.5 model for high-volume work.
- The same input price applies to text, image, video and audio.
- Output price includes thinking tokens.
Grok 4.7 pricing notes
xAI’s newest flagship for coding and general use, with agentic tool calling and configurable reasoning.
- Requests with 200K or more prompt tokens are billed at $4 input / $1 cached / $12 output for all tokens.
- Web Search costs $5 per 1,000 calls; X Search is billed per item fetched, at $5 per 1,000 posts and $10 per 1,000 user profiles.
Frequently asked questions
- Is Gemini 3.5 Flash-Lite cheaper than Grok 4.7?
- Gemini 3.5 Flash-Lite is 85% cheaper on input tokens ($0.30 vs $2.00 per 1M). Gemini 3.5 Flash-Lite is 58% cheaper on output tokens ($2.50 vs $6.00 per 1M). On our document Q&A workload (50,000 questions a month), Gemini 3.5 Flash-Lite costs $195.00 a month versus $980.00 for Grok 4.7, 80% less.
- Which is more capable, Gemini 3.5 Flash-Lite or Grok 4.7?
- Grok 4.7 scores 154.4 on the Epoch Capabilities Index vs 145.2 for Gemini 3.5 Flash-Lite.
- How much does Gemini 3.5 Flash-Lite cost per 1M tokens?
- Gemini 3.5 Flash-Lite costs $0.30 per 1M input tokens and $2.50 per 1M output tokens, and $0.03 per 1M cached input tokens on Google’s standard tier.
- How much does Grok 4.7 cost per 1M tokens?
- Grok 4.7 costs $2.00 per 1M input tokens and $6.00 per 1M output tokens, and $0.50 per 1M cached input tokens on xAI’s standard tier.
- Which has the larger context window, Gemini 3.5 Flash-Lite or Grok 4.7?
- Gemini 3.5 Flash-Lite has the larger context window: 1.05M tokens versus 500K for Grok 4.7.