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Gemini 3.5 Flash vs Grok Build 0.1

Gemini 3.5 Flash

Google

79#54
vs
Signal-by-Signal Comparison
SignalGemini 3.5 FlashDeltaGrok Build 0.1
Capabilities
100
--
100
Benchmarks
77
+77
0
Pricing
91
-7
98
Context window size
86
+9
77
Recency
100
--
100
Output Capacity
80
+60
20
Overall Result
3 wins
of 6
1 wins
Gemini 3.5 Flash wins 3 of 6 signals

Score History

Score History (7 data points)
Gemini 3.5 FlashGrok Build 0.1
Gemini 3.5 Flash

78.5

current score

Leader

Gemini 3.5 Flash

right now

Grok Build 0.1

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Gemini 3.5 Flash

Google

Per request$0.006000
Daily$20.00
Monthly$600.00
Annual$7200.00

Grok Build 0.1

xAI

Best Value
Per request$0.002000
Daily$6.67
Monthly$200.00
Annual$2400.00

Grok Build 0.1 saves you $400.00/month

That's $4800.00/year compared to Gemini 3.5 Flash at your current usage level of 100K calls/month.

67% cheaper
Choose Grok Build 0.1 for cost optimization

Gemini 3.5 Flash pricing:
Input:$1.50/M tokens
Output:$9.00/M tokens
Grok Build 0.1 pricing:
Input:$1.00/M tokens
Output:$2.00/M tokens
Winner
Gemini 3.5 Flash

Google

79

Composite Score

Grok Build 0.1

xAI

40

Composite Score

Signal-by-Signal Comparison
MetricGemini 3.5 FlashGrok Build 0.1Winner
Overall Score
79
40
Gemini 3.5 Flash
Rank#54#180
Gemini 3.5 Flash
Quality Rank#54#180
Gemini 3.5 Flash
Adoption Rank#54#180
Gemini 3.5 Flash
Parameters------
Context Window1049K256K
Gemini 3.5 Flash
Pricing$1.50/$9.00/M$1.00/$2.00/M--
Signal Scores
Capabilities
100
100
Gemini 3.5 Flash
Benchmarks
77
--
Gemini 3.5 Flash
Pricing
91
98
Grok Build 0.1
Context window size
86
77
Gemini 3.5 Flash
Recency
100
100
Gemini 3.5 Flash
Output Capacity
80
20
Gemini 3.5 Flash
Benchmark Head-to-Head(1 benchmarks)
Gemini 3.5: 0Grok Build: 0
Gemini 3.5
Grok Build
Normalized 0-100%
Arena Elo
1477-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Gemini 3.5 FlashStrong Performer

Scores 79/100 (rank #54), placing it in the top 82% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Grok Build 0.1Entry Level

Scores 40/100 (rank #180), placing it in the top 38% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Gemini 3.5 Flash has a 39-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Gemini 3.5 Flash when you need:

  • Processing long documents or large codebases (1049K token context)
  • Step-by-step reasoning and chain-of-thought problem solving

Choose Grok Build 0.1 when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Gemini 3.5 Flash
Input cost$1.50/M tokens
Output cost$9.00/M tokens
Cost per quality point$0.134
Est. monthly (1M tokens/day)$157.50
Grok Build 0.1Best Value
Input cost$1.00/M tokens
Output cost$2.00/M tokens
Cost per quality point$0.075
Est. monthly (1M tokens/day)$45.00

Grok Build 0.1 offers 71% better value per quality point. At 1M tokens/day, you'd spend $45.00/month with Grok Build 0.1 vs $157.50/month with Gemini 3.5 Flash - a $112.50 monthly difference.

Latency & Speed
Gemini 3.5 FlashFaster
Speed score0/100
Grok Build 0.1
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Gemini 3.5 Flash

Customer support chatbot

Suitable for user-facing chat with competitive response times. Grok Build 0.1 also offers lower per-token costs for high-volume support

Gemini 3.5 Flash

Long document analysis

Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass

Gemini 3.5 Flash

Batch data extraction

Lower output pricing ($2.00/M) reduces costs when processing thousands of records daily

Grok Build 0.1

Creative writing & content

Higher overall composite score (79/100) correlates with better nuance, coherence, and style in long-form content

Gemini 3.5 Flash

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Gemini 3.5 Flash
Which Should You Choose?
Our recommendation:
Gemini 3.5 Flash

Gemini 3.5 Flash clearly outperforms Grok Build 0.1 with a significant 38.5-point lead. For most general use cases, Gemini 3.5 Flash is the stronger choice. However, Grok Build 0.1 may still excel in niche scenarios.

Gemini 3.5 Flash
Recommended

by Google

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by xAI

  • Choose for Cost - 71% lower pricing; better value at scale
Capability Comparison
CapabilityGemini 3.5 FlashGrok Build 0.1
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Gemini 3.5 Flash

Google

$13.50
estimated monthly cost

Grok Build 0.1

xAI

Best Value
$4.20
estimated monthly cost

Grok Build 0.1 saves you $9.30/month

That's 69% cheaper than Gemini 3.5 Flash at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGemini 3.5 FlashGrok Build 0.1
Context Window1.0M256K
Max Output Tokens65,536--
Open SourceNoNo
CreatedMay 19, 2026May 20, 2026
Last updated: 44m ago

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