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Precision Benchmarks

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© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

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  3. Google: Gemini 2.5 Pro Preview 06-05 vs Grok 3
Independent ReportPairwise benchmark snapshot · Aug 17, 2026
noindex (thin pair)
Google: Gemini 2.5 Pro Preview 06-05(Google)
vs
Grok 3(xAI)

Google: Gemini 2.5 Pro Preview 06-05 vs Grok 3 benchmark

In this head-to-head showdown, Google: Gemini 2.5 Pro Preview 06-05 is more budget-friendly at $10/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Both Google: Gemini 2.5 Pro Preview 06-05 and Grok 3 present distinct architectural strengths. Compare the verified benchmark matrix below to choose the model tailored to your specific application requirements.
Share Analysis:Share:
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Executive Verdict Summary

Google: Gemini 2.5 Pro Preview 06-05 holds empirical advantage (3 of 3 metrics)

Coding / SWESWE-bench
Grok 3Top code solve rate
ReasoningGPQA / Live
Grok 3Top logical accuracy
Best Value$/1M Tok
Google: Gemini 2.5 Pro Preview 06-05Lowest API billing cost
Speed / TokTok/Sec
Grok 3Fastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

Google: Gemini 2.5 Pro Preview 06-05 (3)Grok 3 (0)
Google: Gemini 2.5 Pro Preview 06-05
3 of 3 Wins
✓Input price✓Output price✓Context window
Grok 3
0 of 3 Wins
Competitive baseline across remaining benchmarks
Google
Leads 3 of 3
Google: Gemini 2.5 Pro Preview 06-05

Auto-discovered from OpenRouter (google/gemini-2.5-pro-preview). Preview until a second source matches.

In: $1.25 · Out: $10/1M
xAI
Grok 3

Previous xAI generation before Grok 4. Kept for grok 3 vs grok 4.

Elo 1,405In: $3 · Out: $15/1M
Top Rival Showdowns for Google: Gemini 2.5 Pro Preview 06-05
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderGoogle: Gemini 2.5 Pro Preview 06-05 Wins

Google: Gemini 2.5 Pro Preview 06-05

$10 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Multi-Dimensional Capability Radar

Leaders Matchup Capability Radar

Comparing top standard models across 6 key capability dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
0–100 %ile

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

Google: Gemini 2.5 Pro Preview 06-05 (3)vsGrok 3 (6)
Google: Gemini 2.5 Pro Preview 06-05: 3W (33%)Overall: Grok 3Grok 3: 6W (67%)
← Google: Gemini 2.5 Pro Preview 06-05Grok 3 →
🏆Grok 3 Leads(4/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Benchmark
Google: Gemini 2.5 Pro Preview 06-05vsGrok 3
Preference Elo
—vs1,405
Coding Elo
—vs—
SWE-bench
—vs51.4%
LiveBench
—vs60.2%
GPQA Diamond
—vs74.2%
Google: Gemini 2.5 Pro Preview 06-05: 0WGrok 3: 4W
🏆Grok 3 Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Google: Gemini 2.5 Pro Preview 06-05vsGrok 3
Output speed
—vs88 tok/s
Time to first token
—vs250 ms
Google: Gemini 2.5 Pro Preview 06-05: 0WGrok 3: 2W
🏆Google: Gemini 2.5 Pro Preview 06-05 Leads(3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Google: Gemini 2.5 Pro Preview 06-05vsGrok 3
Output price
$10/1Mvs$15/1M+$5/1M
Input price
$1.25/1Mvs$3/1M+$1.75/1M
Context window
1Mvs131k+918k
Google: Gemini 2.5 Pro Preview 06-05: 3WGrok 3: 0W

Side-by-Side Benchmark Matrix

Google: Gemini 2.5 Pro Preview 06-05Grok 3
Preference Elo
Google: Gemini 2.5 Pro Preview 06-05—
Grok 31,405
LiveBench
Google: Gemini 2.5 Pro Preview 06-05—
Grok 360.2%
SWE-bench
Google: Gemini 2.5 Pro Preview 06-05—
Grok 351.4%
GPQA Diamond
Google: Gemini 2.5 Pro Preview 06-05—
Grok 374.2%
Time to first token
Google: Gemini 2.5 Pro Preview 06-05—
Grok 3250 ms
Output speed
Google: Gemini 2.5 Pro Preview 06-05—
Grok 388 tok/s
Input priceGoogle: Gemini 2.5 Pro Preview 06-05 +$1.75/1M
Google: Gemini 2.5 Pro Preview 06-05$1.25/1M
Grok 3$3/1M
Output priceGoogle: Gemini 2.5 Pro Preview 06-05 +$5/1M
Google: Gemini 2.5 Pro Preview 06-05$10/1M
Grok 3$15/1M
Context windowGoogle: Gemini 2.5 Pro Preview 06-05 +918k
Google: Gemini 2.5 Pro Preview 06-051M
Grok 3131k
BenchmarkGoogle: Gemini 2.5 Pro Preview 06-05Grok 3Advantage Delta
Preference Elo—
1,405
lmarena · Aug 17, 2026
—
LiveBench—
60.2%
livebench · Aug 17, 2026
—
SWE-bench—
51.4%
swebench · Aug 17, 2026
—
GPQA Diamond—
74.2%
seed-bootstrap · Aug 1, 2026
—
Time to first token—
250 ms
seed-bootstrap · Aug 1, 2026
—
Output speed—
88 tok/s
seed-bootstrap · Aug 1, 2026
—
Input price
$1.25/1M
openrouter · Aug 17, 2026
$3/1M
seed-bootstrap · Aug 1, 2026
+$1.75/1M
Output price
$10/1M
openrouter · Aug 17, 2026
$15/1M
seed-bootstrap · Aug 1, 2026
+$5/1M
Context window
1M
openrouter · Aug 17, 2026
131k
seed-bootstrap · Aug 1, 2026
+918k

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save 41% with Google: Gemini 2.5 Pro Preview 06-05
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Google: Gemini 2.5 Pro Preview 06-05$193.75 / mo
In: $43.75Out: $150
Grok 3$330.00 / mo
In: $105Out: $225
Estimated Cost Delta

Google: Gemini 2.5 Pro Preview 06-05 is estimated to save $136.25/month ($1,635/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Google: Gemini 2.5 Pro Preview 06-05:Pick Google: Gemini 2.5 Pro Preview 06-05 when you are optimizing output cost.
  • 2
    Google: Gemini 2.5 Pro Preview 06-05:Pick Google: Gemini 2.5 Pro Preview 06-05 for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatGoogle: Gemini 2.5 Pro Preview 06-05

Lower output list price ($10/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGGoogle: Gemini 2.5 Pro Preview 06-05

Larger window (1M).

Screenshots / visionGrok 3

Grok 3 is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatGoogle: Gemini 2.5 Pro Preview 06-05Lower output list price ($10/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGGoogle: Gemini 2.5 Pro Preview 06-05Larger window (1M).
Screenshots / visionGrok 3Grok 3 is the side marked multimodal in the catalog.

Cast Your Matchup Vote

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Google

Google: Gemini 2.5 Pro Preview 06-05

Elo n/a
SWE-bench—
Speed (tok/s)1M
Input / 1M Tokens$1.25/1M
Output / 1M Tokens$10/1M
xAI

Grok 3

Elo 1,405
SWE-bench51.4%
Speed (tok/s)88 tok/s
Input / 1M Tokens$3/1M
Output / 1M Tokens$15/1M

Frequently Asked Questions

Which is better overall, Google: Gemini 2.5 Pro Preview 06-05 or Grok 3?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, Google: Gemini 2.5 Pro Preview 06-05 or Grok 3?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
Google: Gemini 2.5 Pro Preview 06-05 output tokens are $10/1M versus $15/1M. Input prices and retry rates still move the real bill.
Which is faster, Google: Gemini 2.5 Pro Preview 06-05 or Grok 3?
We do not have TTFT for both models.
Which has the larger context window?
Google: Gemini 2.5 Pro Preview 06-05 accepts 1M tokens versus 131k.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Google: Gemini 2.5 Pro Preview 06-05 and Grok 3 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All Google: Gemini 2.5 Pro Preview 06-05 matchups →|All Grok 3 matchups →
Grok 3 vs Grok 4 (next grok)Gemini 3 Pro vs Grok 3Gemini 3 Flash vs Grok 3Grok 4.6 vs Grok 3Gemini 2.0 Flash Thinking vs Grok 3Gemini 3.6 Pro vs Grok 3