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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. SpaceXAI: Grok Build 0.1 vs Qwen3.8 27B

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

SpaceXAI: Grok Build 0.1 vs Qwen3.8 27B benchmark

In this head-to-head showdown, SpaceXAI: Grok Build 0.1 is more budget-friendly at $2/1M 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 SpaceXAI: Grok Build 0.1 and Qwen3.8 27B 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

Qwen3.8 27B holds empirical advantage (2 of 3 metrics)

Coding / SWESWE-bench
Qwen3.8 27BTop code solve rate
ReasoningGPQA / Live
Qwen3.8 27BTop logical accuracy
Best Value$/1M Tok
SpaceXAI: Grok Build 0.1Lowest API billing cost
Speed / TokTok/Sec
Qwen3.8 27BFastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

SpaceXAI: Grok Build 0.1 (1)Qwen3.8 27B (2)
SpaceXAI: Grok Build 0.1
1 of 3 Wins
✓Output price
Qwen3.8 27B
2 of 3 Wins
✓Input price✓Context window
xAI
Leads 1 of 3
SpaceXAI: Grok Build 0.1

Auto-discovered from OpenRouter (x-ai/grok-build-0.1). Preview until a second source matches.

In: $1 · Out: $2/1M
Alibaba
Leads 2 of 3
Qwen3.8 27B

Alibaba open-weight 27B drop dated Aug 14 2026. Dense enough to self-host; not a frontier MoE.

27B DenseElo 1,398In: $0.45 · Out: $3.2/1M
Top Rival Showdowns for SpaceXAI: Grok Build 0.1
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Gemini 3 Provs 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 LeaderSpaceXAI: Grok Build 0.1 Wins

SpaceXAI: Grok Build 0.1

$2 / 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.

SpaceXAI: Grok Build 0.1 (1)vsQwen3.8 27B (9)
SpaceXAI: Grok Build 0.1: 1W (10%)Overall: Qwen3.8 27BQwen3.8 27B: 9W (90%)
← SpaceXAI: Grok Build 0.1Qwen3.8 27B →
🏆Qwen3.8 27B Leads(5/5)

Intelligence & Reasoning

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

Benchmark
SpaceXAI: Grok Build 0.1vsQwen3.8 27B
Preference Elo
—vs1,398
Coding Elo
—vs1,422
SWE-bench
—vs58.8%
LiveBench
—vs60.6%
GPQA Diamond
—vs73.4%
SpaceXAI: Grok Build 0.1: 0WQwen3.8 27B: 5W
🏆Qwen3.8 27B Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
SpaceXAI: Grok Build 0.1vsQwen3.8 27B
Output speed
—vs152 tok/s
Time to first token
—vs140 ms
SpaceXAI: Grok Build 0.1: 0WQwen3.8 27B: 2W
🏆Qwen3.8 27B Leads(2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
SpaceXAI: Grok Build 0.1vsQwen3.8 27B
Output price
$2/1Mvs$3.2/1M+$1.2/1M
Input price
$1/1Mvs$0.45/1M+$0.55/1M
Context window
256kvs262k+6k
SpaceXAI: Grok Build 0.1: 1WQwen3.8 27B: 2W

Side-by-Side Benchmark Matrix

SpaceXAI: Grok Build 0.1Qwen3.8 27B
Preference Elo
SpaceXAI: Grok Build 0.1—
Qwen3.8 27B1,398
Coding Elo
SpaceXAI: Grok Build 0.1—
Qwen3.8 27B1,422
LiveBench
SpaceXAI: Grok Build 0.1—
Qwen3.8 27B60.6%
SWE-bench
SpaceXAI: Grok Build 0.1—
Qwen3.8 27B58.8%
GPQA Diamond
SpaceXAI: Grok Build 0.1—
Qwen3.8 27B73.4%
Time to first token
SpaceXAI: Grok Build 0.1—
Qwen3.8 27B140 ms
Output speed
SpaceXAI: Grok Build 0.1—
Qwen3.8 27B152 tok/s
Input priceQwen3.8 27B +$0.55/1M
SpaceXAI: Grok Build 0.1$1/1M
Qwen3.8 27B$0.45/1M
Output priceSpaceXAI: Grok Build 0.1 +$1.2/1M
SpaceXAI: Grok Build 0.1$2/1M
Qwen3.8 27B$3.2/1M
Context windowQwen3.8 27B +6k
SpaceXAI: Grok Build 0.1256k
Qwen3.8 27B262k
BenchmarkSpaceXAI: Grok Build 0.1Qwen3.8 27BAdvantage Delta
Preference Elo—
1,398
lmarena · Aug 16, 2026
—
Coding Elo—
1,422
lmarena · Aug 16, 2026
—
LiveBench—
60.6%
livebench · Aug 16, 2026
—
SWE-bench—
58.8%
swebench · Aug 16, 2026
—
GPQA Diamond—
73.4%
seed-bootstrap · Aug 16, 2026
—
Time to first token—
140 ms
seed-bootstrap · Aug 16, 2026
—
Output speed—
152 tok/s
seed-bootstrap · Aug 16, 2026
—
Input price
$1/1M
openrouter · Aug 17, 2026
$0.45/1M
openrouter · Aug 17, 2026
+$0.55/1M
Output price
$2/1M
openrouter · Aug 17, 2026
$3.2/1M
openrouter · Aug 17, 2026
+$1.2/1M
Context window
256k
openrouter · Aug 17, 2026
262k
openrouter · Aug 17, 2026
+6k

Workload Cost & Savings Calculator

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

Save 2% with Qwen3.8 27B
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
SpaceXAI: Grok Build 0.1$65.00 / mo
In: $35Out: $30
Qwen3.8 27B$63.75 / mo
In: $15.75Out: $48
Estimated Cost Delta

Qwen3.8 27B is estimated to save $1.25/month ($15/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    SpaceXAI: Grok Build 0.1:Pick SpaceXAI: Grok Build 0.1 when you are optimizing output cost.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatSpaceXAI: Grok Build 0.1

Lower output list price ($2/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGQwen3.8 27B

Larger window (262k).

Screenshots / visionQwen3.8 27B

Qwen3.8 27B is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatSpaceXAI: Grok Build 0.1Lower output list price ($2/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGQwen3.8 27BLarger window (262k).
Screenshots / visionQwen3.8 27BQwen3.8 27B is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchAug 14, 2026

Qwen3.8 27B (Aug 14): dense enough to self-host, not a frontier MoE

Alibaba open-weight 27B drop. Local/open-weight lists should see it. It will not win frontier-agents.

Cast Your Matchup Vote

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
xAI

SpaceXAI: Grok Build 0.1

Elo n/a
SWE-bench—
Speed (tok/s)256k
Input / 1M Tokens$1/1M
Output / 1M Tokens$2/1M
Alibaba

Qwen3.8 27B

Elo 1,398
SWE-bench58.8%
Speed (tok/s)152 tok/s
Input / 1M Tokens$0.45/1M
Output / 1M Tokens$3.2/1M

Frequently Asked Questions

Which is better overall, SpaceXAI: Grok Build 0.1 or Qwen3.8 27B?
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, SpaceXAI: Grok Build 0.1 or Qwen3.8 27B?
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?
SpaceXAI: Grok Build 0.1 output tokens are $2/1M versus $3.2/1M. Input prices and retry rates still move the real bill.
Which is faster, SpaceXAI: Grok Build 0.1 or Qwen3.8 27B?
We do not have TTFT for both models.
Which has the larger context window?
Qwen3.8 27B accepts 262k tokens versus 256k.
Can I self-host either model?
Qwen3.8 27B is marked open-weights in our catalog. The other side is a closed API. Check the provider license before you ship weights.
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. SpaceXAI: Grok Build 0.1 and Qwen3.8 27B Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Aug 14, 2026

    Qwen3.8 27B (Aug 14): dense enough to self-host, not a frontier MoE

Similar Head-to-Head Comparisons

All SpaceXAI: Grok Build 0.1 matchups →|All Qwen3.8 27B matchups →
Grok 4.6 vs Qwen3.8 27BQwen 3 Max vs Qwen3.8 27BQwen QwQ 32B vs Qwen3.8 27BGrok 4 vs Qwen3.8 27BQwen3 235B vs Qwen3.8 27BQwen 2.5 Plus vs Qwen3.8 27B