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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. Claude Opus 5 (batch) vs Grok 4

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

Claude Opus 5 (batch) vs Grok 4 benchmark

In this head-to-head showdown, Claude Opus 5 (batch) is more budget-friendly at $12.5/1M 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 Claude Opus 5 (batch) and Grok 4 present distinct architectural strengths. Compare the verified benchmark matrix below to choose the model tailored to your specific application requirements.
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Executive Verdict Summary

Claude Opus 5 (batch) holds empirical advantage (3 of 3 metrics)

Coding / SWESWE-bench
Grok 4Top code solve rate
ReasoningGPQA / Live
Grok 4Top logical accuracy
Best Value$/1M Tok
Claude Opus 5 (batch)Lowest API billing cost
Speed / TokTok/Sec
Grok 4Fastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

Claude Opus 5 (batch) (3)Grok 4 (0)
Claude Opus 5 (batch)
3 of 3 Wins
✓Input price✓Output price✓Context window
Grok 4
0 of 3 Wins
Competitive baseline across remaining benchmarks
Anthropic
Leads 3 of 3
Claude Opus 5 (batch)

Auto-discovered from OpenRouter (anthropic/claude-opus-5:batch). Preview until a second source matches.

In: $2.5 · Out: $12.5/1M
xAI
Grok 4

Previous xAI flagship.

Grok 4.0Elo 1,488In: $3 · Out: $15/1M
Top Rival Showdowns for Claude Opus 5 (batch)
All Matchups
Compare vs:vs GPT-5vs Gemini 3 Provs 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 LeaderClaude Opus 5 (batch) Wins

Claude Opus 5 (batch)

$12.5 / 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.

Claude Opus 5 (batch) (3)vsGrok 4 (6)
Claude Opus 5 (batch): 3W (33%)Overall: Grok 4Grok 4: 6W (67%)
← Claude Opus 5 (batch)Grok 4 →
🏆Grok 4 Leads(4/5)

Intelligence & Reasoning

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

Benchmark
Claude Opus 5 (batch)vsGrok 4
Preference Elo
—vs1,488
Coding Elo
—vs—
SWE-bench
—vs58.6%
LiveBench
—vs64.1%
GPQA Diamond
—vs79%
Claude Opus 5 (batch): 0WGrok 4: 4W
🏆Grok 4 Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Claude Opus 5 (batch)vsGrok 4
Output speed
—vs98 tok/s
Time to first token
—vs230 ms
Claude Opus 5 (batch): 0WGrok 4: 2W
🏆Claude Opus 5 (batch) Leads(3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Claude Opus 5 (batch)vsGrok 4
Output price
$12.5/1Mvs$15/1M+$2.5/1M
Input price
$2.5/1Mvs$3/1M+$0.5/1M
Context window
1Mvs256k+744k
Claude Opus 5 (batch): 3WGrok 4: 0W

Side-by-Side Benchmark Matrix

Claude Opus 5 (batch)Grok 4
Preference Elo
Claude Opus 5 (batch)—
Grok 41,488
LiveBench
Claude Opus 5 (batch)—
Grok 464.1%
SWE-bench
Claude Opus 5 (batch)—
Grok 458.6%
GPQA Diamond
Claude Opus 5 (batch)—
Grok 479%
Time to first token
Claude Opus 5 (batch)—
Grok 4230 ms
Output speed
Claude Opus 5 (batch)—
Grok 498 tok/s
Input priceClaude Opus 5 (batch) +$0.5/1M
Claude Opus 5 (batch)$2.5/1M
Grok 4$3/1M
Output priceClaude Opus 5 (batch) +$2.5/1M
Claude Opus 5 (batch)$12.5/1M
Grok 4$15/1M
Context windowClaude Opus 5 (batch) +744k
Claude Opus 5 (batch)1M
Grok 4256k
BenchmarkClaude Opus 5 (batch)Grok 4Advantage Delta
Preference Elo—
1,488
lmarena · Aug 17, 2026
—
LiveBench—
64.1%
livebench · Aug 17, 2026
—
SWE-bench—
58.6%
swebench · Aug 17, 2026
—
GPQA Diamond—
79%
seed-bootstrap · Aug 1, 2026
—
Time to first token—
230 ms
seed-bootstrap · Aug 1, 2026
—
Output speed—
98 tok/s
seed-bootstrap · Aug 1, 2026
—
Input price
$2.5/1M
openrouter · Aug 17, 2026
$3/1M
seed-bootstrap · Aug 1, 2026
+$0.5/1M
Output price
$12.5/1M
openrouter · Aug 17, 2026
$15/1M
seed-bootstrap · Aug 1, 2026
+$2.5/1M
Context window
1M
openrouter · Aug 17, 2026
256k
seed-bootstrap · Aug 1, 2026
+744k

Workload Cost & Savings Calculator

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

Save 17% with Claude Opus 5 (batch)
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Claude Opus 5 (batch)$275.00 / mo
In: $87.5Out: $187.5
Grok 4$330.00 / mo
In: $105Out: $225
Estimated Cost Delta

Claude Opus 5 (batch) is estimated to save $55.00/month ($660/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Claude Opus 5 (batch):Pick Claude Opus 5 (batch) when you are optimizing output cost.
  • 2
    Claude Opus 5 (batch):Pick Claude Opus 5 (batch) for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatClaude Opus 5 (batch)

Lower output list price ($12.5/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGClaude Opus 5 (batch)

Larger window (1M).

Screenshots / visionGrok 4

Grok 4 is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatClaude Opus 5 (batch)Lower output list price ($12.5/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGClaude Opus 5 (batch)Larger window (1M).
Screenshots / visionGrok 4Grok 4 is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchJul 10, 2025

Grok 4 remains the previous xAI flagship on this catalog

2025-07 row. 4.6 is the buy. We keep 4 so upgrade pairs and old inbound links resolve.

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Anthropic

Claude Opus 5 (batch)

Elo n/a
SWE-bench—
Speed (tok/s)1M
Input / 1M Tokens$2.5/1M
Output / 1M Tokens$12.5/1M
xAI

Grok 4

Elo 1,488
SWE-bench58.6%
Speed (tok/s)98 tok/s
Input / 1M Tokens$3/1M
Output / 1M Tokens$15/1M

Frequently Asked Questions

Which is better overall, Claude Opus 5 (batch) or Grok 4?
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, Claude Opus 5 (batch) or Grok 4?
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?
Claude Opus 5 (batch) output tokens are $12.5/1M versus $15/1M. Input prices and retry rates still move the real bill.
Which is faster, Claude Opus 5 (batch) or Grok 4?
We do not have TTFT for both models.
Which has the larger context window?
Claude Opus 5 (batch) accepts 1M tokens versus 256k.
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. Claude Opus 5 (batch) and Grok 4 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Jul 10, 2025

    Grok 4 remains the previous xAI flagship on this catalog

Similar Head-to-Head Comparisons

All Claude Opus 5 (batch) matchups →|All Grok 4 matchups →
Grok 4 vs Grok 3 (previous grok)Grok 4 vs Grok 4.6 (next grok)Claude Opus 4.5 vs Grok 4Claude Opus 4.6 vs Grok 4Claude Sonnet 4.5 vs Grok 4Claude Opus 5 vs Grok 4