PickAIModel.com - Compare Gemini 3 Flash and Grok 4.20 Beta
Gemini 3 Flash vs Grok 4.20 Beta: pricing, Quality, Value, and benchmarks
Side-by-side buyer comparison built from the current published top 10 snapshot. Quality and Value stay deterministic, while editorial verdict excerpts remain clearly AI-labeled.
Verified evidenceVerified evidence
Gemini 3 Flash Quality
61.5
Grok 4.20 Beta Quality
62.3
Quality delta
-0.8Grok 4.20 Beta leads
Value delta
-10.2Grok 4.20 Beta leads
Buyer summary
Grok 4.20 Beta leads Quality by 0.8 points. Grok 4.20 Beta leads Value by 10.2 points.
Snapshot freshness
Snapshot April 18, 2026. Both pages link back to the same published roster and methodology, so the comparison stays on one deterministic evidence set.
Strong HLE, SWE-bench Verified, and GPQA evidence make Grok 4.20 Beta publishable now, but speed metrics are still unavailable in the current snapshot.
Monthly price
X Premium+: $40/month
App access
Grok
Ease of use
75% | Easy to start
Verified vendor fact
Hosted plan pricing is grounded in the official X Premium+ plan page.
Verified vendor fact
Hosted app availability is grounded in the official Grok product surface.
Deterministic scores
Quality and Value comparison
Gemini 3 Flash
Q 61.5
V 76.7
Quality rank 7 and value rank 5 in the current published roster.
Grok 4.20 Beta
Q 62.3
V 86.9
Quality rank 6 and value rank 2 in the current published roster.
Buyer access
Pricing, app access, and ease of use
Gemini 3 Flash
Verified vendor fact90% ease of use
Google AI Pro: Price unavailable
Free tier
Hosted app: Gemini
Grok 4.20 Beta
Verified vendor fact75% ease of use
X Premium+: $40/month
~3,030 conversations equivalent
Hosted app: Grok
Benchmark evidence
Gemini 3 Flash
Verified Apr 7, 2026
Humanity's Last Exam
Normalized quality input
33.7%
Google DeepMind Gemini 3 Flash comparison table | Vendor-published cross-model comparison table. Treat this as current official evidence, not neutral third-party benchmarking.
SWE-bench Verified
Normalized quality input
78.0%
Google DeepMind Gemini 3 Flash comparison table | Vendor-published cross-model comparison table. Treat this as current official evidence, not neutral third-party benchmarking.
GPQA Diamond
Normalized quality input
90.4%
Google DeepMind Gemini 3 Flash comparison table | Vendor-published cross-model comparison table. Treat this as current official evidence, not neutral third-party benchmarking.
MathArena
Expected Performance
60.3%
MathArena models leaderboard | MathArena is shown as supplementary evidence only and is not currently included in the PickAI Quality Score.
Benchmark evidence
Grok 4.20 Beta
Verified Apr 18, 2026
Humanity's Last Exam
Normalized quality input
49.4%
Artificial Analysis Grok 4.20 analysis page | Third-party benchmark comparison page with sourced tables and transparent methodology. Treat this as accepted tier-3 benchmark evidence.
SWE-bench Verified
Software engineering patch
73.5%
Artificial Analysis Grok 4.20 analysis page | Third-party benchmark comparison page with sourced tables and transparent methodology. Treat this as accepted tier-3 benchmark evidence.
GPQA Diamond
Normalized quality input
78.5%
Artificial Analysis Grok 4.20 analysis page | Third-party benchmark comparison page with sourced tables and transparent methodology. Treat this as accepted tier-3 benchmark evidence.
Editorial excerpt
Gemini 3 Flash
AI-generated
Best if you want fast, capable responses across text, images, and video at a price that works for everyday and high-volume use.
Gemini 3 Flash is the Elite Everyday engine, offering frontier-level intelligence with near-instant responsiveness. It is built for people who need high-speed answers, seamless multitasking, and pro-grade reasoning without the pro price tag or wait times. It handles complex requests smoothly, automates workflows, and keeps up with a fast pace without losing quality. Its biggest strengths are instant response, strong reasoning, large-context memory, and exceptional value for everyday use. If you want a brilliant, reliable AI that fits a fast-paced lifestyle, Gemini 3 Flash is the standout choice for efficiency.
Editorial excerpt
Grok 4.20 Beta
AI-generated
Strong HLE, SWE-bench Verified, and GPQA evidence make Grok 4.20 Beta publishable now, but speed metrics are still unavailable in the current snapshot.
Grok 4.20 Beta is ready to enter the published roster on benchmark evidence, but buyer-facing speed guidance remains incomplete until OpenRouter performance metrics are captured.
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