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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. TheDrummer: Rocinante 12B vs Seed 2.1 Turbo

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

TheDrummer: Rocinante 12B vs Seed 2.1 Turbo benchmark

In this head-to-head showdown, TheDrummer: Rocinante 12B 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: Both TheDrummer: Rocinante 12B and Seed 2.1 Turbo 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

TheDrummer: Rocinante 12B holds empirical advantage (2 of 3 metrics)

Coding / SWESWE-bench
Seed 2.1 TurboTop code solve rate
ReasoningGPQA / Live
Seed 2.1 TurboTop logical accuracy
Best Value$/1M Tok
TheDrummer: Rocinante 12BLowest API billing cost
Speed / TokTok/Sec
Seed 2.1 TurboFastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

TheDrummer: Rocinante 12B (2)Seed 2.1 Turbo (1)
TheDrummer: Rocinante 12B
2 of 3 Wins
✓Input price✓Output price
Seed 2.1 Turbo
1 of 3 Wins
✓Context window
thedrummer
Leads 2 of 3
TheDrummer: Rocinante 12B

Auto-discovered from OpenRouter (thedrummer/rocinante-12b). Preview until a second source matches.

In: $0.25 · Out: $0.5/1M
ByteDance
Leads 1 of 3
Seed 2.1 Turbo

ByteDance Seed 2.1 Turbo, listed on public model timelines as an Aug 10 2026 API drop.

Seed 2.1Elo 1,472In: $0.5 · Out: $2.5/1M
Top Rival Showdowns for TheDrummer: Rocinante 12B
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Pro
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderTheDrummer: Rocinante 12B Wins

TheDrummer: Rocinante 12B

$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.

TheDrummer: Rocinante 12B (2)vsSeed 2.1 Turbo (8)
TheDrummer: Rocinante 12B: 2W (20%)Overall: Seed 2.1 TurboSeed 2.1 Turbo: 8W (80%)
← TheDrummer: Rocinante 12BSeed 2.1 Turbo →
🏆Seed 2.1 Turbo Leads(5/5)

Intelligence & Reasoning

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

Benchmark
TheDrummer: Rocinante 12BvsSeed 2.1 Turbo
Preference Elo
—vs1,472
Coding Elo
—vs1,480
SWE-bench
—vs63.2%
LiveBench
—vs64.8%
GPQA Diamond
—vs76.8%
TheDrummer: Rocinante 12B: 0WSeed 2.1 Turbo: 5W
🏆Seed 2.1 Turbo Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
TheDrummer: Rocinante 12BvsSeed 2.1 Turbo
Output speed
—vs160 tok/s
Time to first token
—vs120 ms
TheDrummer: Rocinante 12B: 0WSeed 2.1 Turbo: 2W
🏆TheDrummer: Rocinante 12B Leads(2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
TheDrummer: Rocinante 12BvsSeed 2.1 Turbo
Output price
$0.5/1Mvs$2.5/1M+$2/1M
Input price
$0.25/1Mvs$0.5/1M+$0.25/1M
Context window
66kvs262k+197k
TheDrummer: Rocinante 12B: 2WSeed 2.1 Turbo: 1W

Side-by-Side Benchmark Matrix

TheDrummer: Rocinante 12BSeed 2.1 Turbo
Preference Elo
TheDrummer: Rocinante 12B—
Seed 2.1 Turbo1,472
Coding Elo
TheDrummer: Rocinante 12B—
Seed 2.1 Turbo1,480
LiveBench
TheDrummer: Rocinante 12B—
Seed 2.1 Turbo64.8%
SWE-bench
TheDrummer: Rocinante 12B—
Seed 2.1 Turbo63.2%
GPQA Diamond
TheDrummer: Rocinante 12B—
Seed 2.1 Turbo76.8%
Time to first token
TheDrummer: Rocinante 12B—
Seed 2.1 Turbo120 ms
Output speed
TheDrummer: Rocinante 12B—
Seed 2.1 Turbo160 tok/s
Input priceTheDrummer: Rocinante 12B +$0.25/1M
TheDrummer: Rocinante 12B$0.25/1M
Seed 2.1 Turbo$0.5/1M
Output priceTheDrummer: Rocinante 12B +$2/1M
TheDrummer: Rocinante 12B$0.5/1M
Seed 2.1 Turbo$2.5/1M
Context windowSeed 2.1 Turbo +197k
TheDrummer: Rocinante 12B66k
Seed 2.1 Turbo262k
BenchmarkTheDrummer: Rocinante 12BSeed 2.1 TurboAdvantage Delta
Preference Elo—
1,472
lmarena · Aug 16, 2026
—
Coding Elo—
1,480
lmarena · Aug 16, 2026
—
LiveBench—
64.8%
livebench · Aug 16, 2026
—
SWE-bench—
63.2%
swebench · Aug 16, 2026
—
GPQA Diamond—
76.8%
seed-bootstrap · Aug 16, 2026
—
Time to first token—
120 ms
seed-bootstrap · Aug 16, 2026
—
Output speed—
160 tok/s
seed-bootstrap · Aug 16, 2026
—
Input price
$0.25/1M
openrouter · Aug 17, 2026
$0.5/1M
openrouter · Aug 17, 2026
+$0.25/1M
Output price
$0.5/1M
openrouter · Aug 17, 2026
$2.5/1M
openrouter · Aug 17, 2026
+$2/1M
Context window
66k
openrouter · Aug 17, 2026
262k
openrouter · Aug 17, 2026
+197k

Workload Cost & Savings Calculator

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

Save 70% with TheDrummer: Rocinante 12B
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
TheDrummer: Rocinante 12B$16.25 / mo
In: $8.75Out: $7.5
Seed 2.1 Turbo$55.00 / mo
In: $17.5Out: $37.5
Estimated Cost Delta

TheDrummer: Rocinante 12B is estimated to save $38.75/month ($465/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    TheDrummer: Rocinante 12B:Pick TheDrummer: Rocinante 12B when you are optimizing output cost.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatTheDrummer: Rocinante 12B

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

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGSeed 2.1 Turbo

Larger window (262k).

Screenshots / visionSeed 2.1 Turbo

Seed 2.1 Turbo is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatTheDrummer: Rocinante 12BLower output list price ($0.5/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGSeed 2.1 TurboLarger window (262k).
Screenshots / visionSeed 2.1 TurboSeed 2.1 Turbo is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchAug 10, 2026

Seed 2.1 Turbo (Aug 10): ByteDance’s API drop on the public timeline

Listed on public model timelines as an Aug 10 2026 API drop. Preview-quality story, indexable because we have a full snapshot.

Cast Your Matchup Vote

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
thedrummer

TheDrummer: Rocinante 12B

Elo n/a
SWE-bench—
Speed (tok/s)66k
Input / 1M Tokens$0.25/1M
Output / 1M Tokens$0.5/1M
ByteDance

Seed 2.1 Turbo

Elo 1,472
SWE-bench63.2%
Speed (tok/s)160 tok/s
Input / 1M Tokens$0.5/1M
Output / 1M Tokens$2.5/1M

Frequently Asked Questions

Which is better overall, TheDrummer: Rocinante 12B or Seed 2.1 Turbo?
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, TheDrummer: Rocinante 12B or Seed 2.1 Turbo?
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: Rocinante 12B output tokens are $0.5/1M versus $2.5/1M. Input prices and retry rates still move the real bill.
Which is faster, TheDrummer: Rocinante 12B or Seed 2.1 Turbo?
We do not have TTFT for both models.
Which has the larger context window?
Seed 2.1 Turbo accepts 262k tokens versus 66k.
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. TheDrummer: Rocinante 12B and Seed 2.1 Turbo Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Aug 10, 2026

    Seed 2.1 Turbo (Aug 10): ByteDance’s API drop on the public timeline

Similar Head-to-Head Comparisons

All TheDrummer: Rocinante 12B matchups →|All Seed 2.1 Turbo matchups →
Doubao Pro 1.5 vs Seed 2.1 TurboDoubao Lite 1.5 vs Seed 2.1 TurboClaude Opus 4.5 vs Seed 2.1 TurboClaude Opus 4.6 vs Seed 2.1 TurboClaude Sonnet 4.5 vs Seed 2.1 TurboGPT-5 vs Seed 2.1 Turbo