Skip to content

Google Gemini Flash Latest vs Grok 4.5

vs
Grok 4.5

xAI

88#22
Signal-by-Signal Comparison
SignalGoogle Gemini Flash LatestDeltaGrok 4.5
Capabilities
100
--
100
Pricing
91
-3
94
Context window size
86
+5
81
Recency
100
--
100
Output Capacity
80
+60
20
Benchmarks
0
-86
86
Overall Result
2 wins
of 6
2 wins
It's a tie - both models win 2 signals each

Score History

Score History (11 data points)
Google Gemini Flash LatestGrok 4.5
Google Gemini Flash Latest

40

current score

Leader

Grok 4.5

right now

Grok 4.5

87.8

current score

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

Google Gemini Flash Latest

~google

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

Grok 4.5

xAI

Best Value
Per request$0.005000
Daily$16.67
Monthly$500.00
Annual$6000.00

Grok 4.5 saves you $100.00/month

That's $1200.00/year compared to Google Gemini Flash Latest at your current usage level of 100K calls/month.

17% cheaper
Choose Grok 4.5 for cost optimization

Google Gemini Flash Latest pricing:
Input:$1.50/M tokens
Output:$9.00/M tokens
Grok 4.5 pricing:
Input:$2.00/M tokens
Output:$6.00/M tokens
Google Gemini Flash Latest

~google

40

Composite Score

Winner
Grok 4.5

xAI

88

Composite Score

Signal-by-Signal Comparison
MetricGoogle Gemini Flash LatestGrok 4.5Winner
Overall Score
40
88
Grok 4.5
Rank#199#22
Grok 4.5
Quality Rank#199#22
Grok 4.5
Adoption Rank#199#22
Grok 4.5
Parameters------
Context Window1049K500K
Google Gemini Flash Latest
Pricing$1.50/$9.00/M$2.00/$6.00/M--
Signal Scores
Capabilities
100
100
Google Gemini Flash Latest
Pricing
91
94
Grok 4.5
Context window size
86
81
Google Gemini Flash Latest
Recency
100
100
Google Gemini Flash Latest
Output Capacity
80
20
Google Gemini Flash Latest
Benchmarks--
86
Grok 4.5
Benchmark Head-to-Head(11 benchmarks)
Google Gemini: 0Grok 4.5: 0
Google Gemini
Grok 4.5
Normalized 0-100%
MMLU
-91.5%
MMLU-Pro
-83.5%
GPQA Diamond
-82%
MATH-500
-95%
HumanEval
-95.5%
SWE-bench Verified
-70%
AIME 2024
-88%
IFEval
-91%
BBH
-90%
Arena Elo
-1462
LiveBench
-73%
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.

Google Gemini Flash LatestEntry Level

Scores 40/100 (rank #199), placing it in the top 32% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Grok 4.5Elite Tier

Scores 88/100 (rank #22), placing it in the top 93% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Grok 4.5 has a 48-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Google Gemini Flash Latest when you need:

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

Choose Grok 4.5 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
Google Gemini Flash Latest
Input cost$1.50/M tokens
Output cost$9.00/M tokens
Cost per quality point$0.263
Est. monthly (1M tokens/day)$157.50
Grok 4.5Best Value
Input cost$2.00/M tokens
Output cost$6.00/M tokens
Cost per quality point$0.091
Est. monthly (1M tokens/day)$120.00

Grok 4.5 offers 24% better value per quality point. At 1M tokens/day, you'd spend $120.00/month with Grok 4.5 vs $157.50/month with Google Gemini Flash Latest - a $37.50 monthly difference.

Latency & Speed
Google Gemini Flash LatestFaster
Speed score0/100
Grok 4.5
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

Google Gemini Flash Latest

Customer support chatbot

Suitable for user-facing chat with competitive response times. Grok 4.5 also offers lower per-token costs for high-volume support

Google Gemini Flash Latest

Long document analysis

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

Google Gemini Flash Latest

Batch data extraction

Lower output pricing ($6.00/M) reduces costs when processing thousands of records daily

Grok 4.5

Creative writing & content

Higher overall composite score (88/100) correlates with better nuance, coherence, and style in long-form content

Grok 4.5

Image understanding & OCR

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

Google Gemini Flash Latest
Which Should You Choose?
Our recommendation:
Grok 4.5

Grok 4.5 clearly outperforms Google Gemini Flash Latest with a significant 47.8-point lead. For most general use cases, Grok 4.5 is the stronger choice. However, Google Gemini Flash Latest may still excel in niche scenarios.

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
Grok 4.5
Recommended

by xAI

  • Choose for Cost - 24% lower pricing; better value at scale
Capability Comparison
CapabilityGoogle Gemini Flash LatestGrok 4.5
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)

Google Gemini Flash Latest

~google

$13.50
estimated monthly cost

Grok 4.5

xAI

Best Value
$10.80
estimated monthly cost

Grok 4.5 saves you $2.70/month

That's 20% cheaper than Google Gemini Flash Latest 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
ParameterGoogle Gemini Flash LatestGrok 4.5
Context Window1.0M500K
Max Output Tokens65,536--
Open SourceNoNo
CreatedApr 27, 2026Jul 8, 2026
Last updated: 33m ago

Related comparisons

Google Gemini Flash Latest vs Grok 4.5 (2026) | LM Market Cap