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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 4.5 vs TheDrummer: Cydonia 24B V4.1

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

Claude Opus 4.5 vs TheDrummer: Cydonia 24B V4.1 benchmark

In this head-to-head showdown, TheDrummer: Cydonia 24B V4.1 is more budget-friendly at $0.5/1M 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: Choose Claude Opus 4.5 if your priority is peak reasoning, complex code generation, and top preference Elo. Choose TheDrummer: Cydonia 24B V4.1 if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
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Executive Verdict Summary

TheDrummer: Cydonia 24B V4.1 holds empirical advantage (2 of 3 metrics)

Coding / SWESWE-bench
Claude Opus 4.5Top code solve rate
ReasoningGPQA / Live
Claude Opus 4.5Top logical accuracy
Best Value$/1M Tok
TheDrummer: Cydonia 24B V4.1Lowest API billing cost
Speed / TokTok/Sec
Claude Opus 4.5Fastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

Claude Opus 4.5 (1)TheDrummer: Cydonia 24B V4.1 (2)
Claude Opus 4.5
1 of 3 Wins
✓Context window
TheDrummer: Cydonia 24B V4.1
2 of 3 Wins
✓Input price✓Output price
Anthropic
Leads 1 of 3
Claude Opus 4.5

Anthropic frontier coding and computer-use model. SWE-bench leader on the official mini-SWE-agent harness in the Feb 2026 refresh.

Elo 1,568In: $5 · Out: $25/1M
thedrummer
Leads 2 of 3
TheDrummer: Cydonia 24B V4.1

Auto-discovered from OpenRouter (thedrummer/cydonia-24b-v4.1). Preview until a second source matches.

In: $0.3 · Out: $0.5/1M

Claude Opus 4.5 Thinking Depth & Cost Scaler

Model A

Simulate accuracy gains vs added response time & token cost

Mode: Medium (16k budget)

Reasoning models “think before answering” by generating internal reasoning tokens. Higher effort improves math, coding, and logic accuracy, but increases response delay and token costs.

Delay
380 ms
Standard
CoT Tokens
~3,200
Internal reasoning
Cost / 1k
$90.00
9.0× base bill
Accuracy Boost
+5.2%
STEM & Logic
Top Rival Showdowns for Claude Opus 4.5
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 LeaderTheDrummer: Cydonia 24B V4.1 Wins

TheDrummer: Cydonia 24B V4.1

$0.5 / 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 4.5 (8)vsTheDrummer: Cydonia 24B V4.1 (2)
Claude Opus 4.5: 8W (80%)Overall: Claude Opus 4.5TheDrummer: Cydonia 24B V4.1: 2W (20%)
← Claude Opus 4.5TheDrummer: Cydonia 24B V4.1 →
🏆Claude Opus 4.5 Leads(5/5)

Intelligence & Reasoning

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

Benchmark
Claude Opus 4.5vsTheDrummer: Cydonia 24B V4.1
Preference Elo
1,568vs—
Coding Elo
1,574vs—
SWE-bench
76.8%vs—
LiveBench
71.2%vs—
GPQA Diamond
84.1%vs—
Claude Opus 4.5: 5WTheDrummer: Cydonia 24B V4.1: 0W
🏆Claude Opus 4.5 Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Claude Opus 4.5vsTheDrummer: Cydonia 24B V4.1
Output speed
62 tok/svs—
Time to first token
380 msvs—
Claude Opus 4.5: 2WTheDrummer: Cydonia 24B V4.1: 0W
🏆TheDrummer: Cydonia 24B V4.1 Leads(2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Claude Opus 4.5vsTheDrummer: Cydonia 24B V4.1
Output price
$25/1Mvs$0.5/1M+$24.5/1M
Input price
$5/1Mvs$0.3/1M+$4.7/1M
Context window
200kvs131k+69k
Claude Opus 4.5: 1WTheDrummer: Cydonia 24B V4.1: 2W

Side-by-Side Benchmark Matrix

Claude Opus 4.5TheDrummer: Cydonia 24B V4.1
Preference Elo
Claude Opus 4.51,568
TheDrummer: Cydonia 24B V4.1—
Coding Elo
Claude Opus 4.51,574
TheDrummer: Cydonia 24B V4.1—
LiveBench
Claude Opus 4.571.2%
TheDrummer: Cydonia 24B V4.1—
SWE-bench
Claude Opus 4.576.8%
TheDrummer: Cydonia 24B V4.1—
GPQA Diamond
Claude Opus 4.584.1%
TheDrummer: Cydonia 24B V4.1—
Time to first token
Claude Opus 4.5380 ms
TheDrummer: Cydonia 24B V4.1—
Output speed
Claude Opus 4.562 tok/s
TheDrummer: Cydonia 24B V4.1—
Input priceTheDrummer: Cydonia 24B V4.1 +$4.7/1M
Claude Opus 4.5$5/1M
TheDrummer: Cydonia 24B V4.1$0.3/1M
Output priceTheDrummer: Cydonia 24B V4.1 +$24.5/1M
Claude Opus 4.5$25/1M
TheDrummer: Cydonia 24B V4.1$0.5/1M
Context windowClaude Opus 4.5 +69k
Claude Opus 4.5200k
TheDrummer: Cydonia 24B V4.1131k
BenchmarkClaude Opus 4.5TheDrummer: Cydonia 24B V4.1Advantage Delta
Preference Elo
1,568
lmarena · Aug 17, 2026
——
Coding Elo
1,574
lmarena · Aug 17, 2026
——
LiveBench
71.2%
livebench · Aug 17, 2026
——
SWE-bench
76.8%
swebench · Aug 17, 2026
——
GPQA Diamond
84.1%
seed-bootstrap · Aug 1, 2026
——
Time to first token
380 ms
seed-bootstrap · Aug 1, 2026
——
Output speed
62 tok/s
seed-bootstrap · Aug 1, 2026
——
Input price
$5/1M
openrouter · Aug 17, 2026
$0.3/1M
openrouter · Aug 17, 2026
+$4.7/1M
Output price
$25/1M
openrouter · Aug 17, 2026
$0.5/1M
openrouter · Aug 17, 2026
+$24.5/1M
Context window
200k
openrouter · Aug 17, 2026
131k
openrouter · Aug 17, 2026
+69k

Workload Cost & Savings Calculator

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

Save 97% with TheDrummer: Cydonia 24B V4.1
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 4.5$550.00 / mo
In: $175Out: $375
TheDrummer: Cydonia 24B V4.1$18.00 / mo
In: $10.5Out: $7.5
Estimated Cost Delta

TheDrummer: Cydonia 24B V4.1 is estimated to save $532.00/month ($6,384/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    TheDrummer: Cydonia 24B V4.1:Pick TheDrummer: Cydonia 24B V4.1 when you are optimizing output cost.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatTheDrummer: Cydonia 24B V4.1

Lower output list price ($0.5/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGClaude Opus 4.5

Larger window (200k).

Screenshots / visionClaude Opus 4.5

Claude Opus 4.5 is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatTheDrummer: Cydonia 24B V4.1Lower output list price ($0.5/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGClaude Opus 4.5Larger window (200k).
Screenshots / visionClaude Opus 4.5Claude Opus 4.5 is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchFeb 20, 2026

Claude Opus 4.5 and the Feb 2026 SWE-bench row we still cite

The Feb refresh made 4.5 a coding reference. Newer Opus SKUs exist; this row stays as the dated harness point.

Cast Your Matchup Vote

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Anthropic

Claude Opus 4.5

Elo 1,568
SWE-bench76.8%
Speed (tok/s)62 tok/s
Input / 1M Tokens$5/1M
Output / 1M Tokens$25/1M
thedrummer

TheDrummer: Cydonia 24B V4.1

Elo n/a
SWE-bench—
Speed (tok/s)131k
Input / 1M Tokens$0.3/1M
Output / 1M Tokens$0.5/1M

Frequently Asked Questions

Which is better overall, Claude Opus 4.5 or TheDrummer: Cydonia 24B V4.1?
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 4.5 or TheDrummer: Cydonia 24B V4.1?
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?
TheDrummer: Cydonia 24B V4.1 output tokens are $0.5/1M versus $25/1M. Input prices and retry rates still move the real bill.
Which is faster, Claude Opus 4.5 or TheDrummer: Cydonia 24B V4.1?
We do not have TTFT for both models.
Which has the larger context window?
Claude Opus 4.5 accepts 200k 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. Claude Opus 4.5 and TheDrummer: Cydonia 24B V4.1 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Feb 20, 2026

    Claude Opus 4.5 and the Feb 2026 SWE-bench row we still cite

Similar Head-to-Head Comparisons

All Claude Opus 4.5 matchups →|All TheDrummer: Cydonia 24B V4.1 matchups →
Claude Opus 4.5 vs Claude Opus 4 (previous opus)Claude Opus 4.5 vs Claude Opus 4.6 (next opus)Claude Sonnet 5 vs Claude Opus 4.5Claude Opus 4.8 vs Claude Opus 4.5Claude Sonnet 4.5 vs Claude Opus 4.5Claude Fable 5 vs Claude Opus 4.5