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Every score has a dated snapshot.

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  3. Doubao Lite 1.5 vs Google: Gemini 3.1 Pro Preview

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

Doubao Lite 1.5 vs Google: Gemini 3.1 Pro Preview benchmark

In this head-to-head showdown, Doubao Lite 1.5 is more budget-friendly at $0.1/1M 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 Doubao Lite 1.5 and Google: Gemini 3.1 Pro Preview 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

Doubao Lite 1.5 holds empirical advantage (2 of 3 metrics)

Coding / SWESWE-bench
Doubao Lite 1.5Top code solve rate
ReasoningGPQA / Live
Doubao Lite 1.5Top logical accuracy
Best Value$/1M Tok
Doubao Lite 1.5Lowest API billing cost
Speed / TokTok/Sec
Doubao Lite 1.5Fastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

Doubao Lite 1.5 (2)Google: Gemini 3.1 Pro Preview (1)
Doubao Lite 1.5
2 of 3 Wins
✓Input price✓Output price
Google: Gemini 3.1 Pro Preview
1 of 3 Wins
✓Context window
ByteDance
Leads 2 of 3
Doubao Lite 1.5

ByteDance high-speed lightweight model priced at sub-cent levels.

Lite 1.5Elo 1,360In: $0.04 · Out: $0.1/1M
Google
Leads 1 of 3
Google: Gemini 3.1 Pro Preview

Auto-discovered from OpenRouter (google/gemini-3.1-pro-preview). Preview until a second source matches.

In: $2 · Out: $12/1M

Doubao Series Lineage & Sibling Variants

3 models

Currently comparing Doubao Lite 1.5 vs Google: Gemini 3.1 Pro Preview. Alternative family tiers available.

Active: Doubao Lite 1.5
Doubao Pro 1.5$0.28Seed 2.1 Turbo$2.5
Top Rival Showdowns for Doubao Lite 1.5
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 LeaderDoubao Lite 1.5 Wins

Doubao Lite 1.5

$0.1 / 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.

Doubao Lite 1.5 (9)vsGoogle: Gemini 3.1 Pro Preview (1)
Doubao Lite 1.5: 9W (90%)Overall: Doubao Lite 1.5Google: Gemini 3.1 Pro Preview: 1W (10%)
← Doubao Lite 1.5Google: Gemini 3.1 Pro Preview →
🏆Doubao Lite 1.5 Leads(5/5)

Intelligence & Reasoning

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

Benchmark
Doubao Lite 1.5vsGoogle: Gemini 3.1 Pro Preview
Preference Elo
1,360vs—
Coding Elo
1,320vs—
SWE-bench
46%vs—
LiveBench
54%vs—
GPQA Diamond
64.2%vs—
Doubao Lite 1.5: 5WGoogle: Gemini 3.1 Pro Preview: 0W
🏆Doubao Lite 1.5 Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Doubao Lite 1.5vsGoogle: Gemini 3.1 Pro Preview
Output speed
180 tok/svs—
Time to first token
110 msvs—
Doubao Lite 1.5: 2WGoogle: Gemini 3.1 Pro Preview: 0W
🏆Doubao Lite 1.5 Leads(2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Doubao Lite 1.5vsGoogle: Gemini 3.1 Pro Preview
Output price
$0.1/1Mvs$12/1M+$11.9/1M
Input price
$0.04/1Mvs$2/1M+$1.96/1M
Context window
33kvs1M+1M
Doubao Lite 1.5: 2WGoogle: Gemini 3.1 Pro Preview: 1W

Side-by-Side Benchmark Matrix

Doubao Lite 1.5Google: Gemini 3.1 Pro Preview
Preference Elo
Doubao Lite 1.51,360
Google: Gemini 3.1 Pro Preview—
Coding Elo
Doubao Lite 1.51,320
Google: Gemini 3.1 Pro Preview—
LiveBench
Doubao Lite 1.554%
Google: Gemini 3.1 Pro Preview—
SWE-bench
Doubao Lite 1.546%
Google: Gemini 3.1 Pro Preview—
GPQA Diamond
Doubao Lite 1.564.2%
Google: Gemini 3.1 Pro Preview—
Time to first token
Doubao Lite 1.5110 ms
Google: Gemini 3.1 Pro Preview—
Output speed
Doubao Lite 1.5180 tok/s
Google: Gemini 3.1 Pro Preview—
Input priceDoubao Lite 1.5 +$1.96/1M
Doubao Lite 1.5$0.04/1M
Google: Gemini 3.1 Pro Preview$2/1M
Output priceDoubao Lite 1.5 +$11.9/1M
Doubao Lite 1.5$0.1/1M
Google: Gemini 3.1 Pro Preview$12/1M
Context windowGoogle: Gemini 3.1 Pro Preview +1M
Doubao Lite 1.533k
Google: Gemini 3.1 Pro Preview1M
BenchmarkDoubao Lite 1.5Google: Gemini 3.1 Pro PreviewAdvantage Delta
Preference Elo
1,360
lmarena · Aug 17, 2026
——
Coding Elo
1,320
lmarena · Aug 17, 2026
——
LiveBench
54%
livebench · Aug 17, 2026
——
SWE-bench
46%
swebench · Aug 17, 2026
——
GPQA Diamond
64.2%
seed-bootstrap · Aug 1, 2026
——
Time to first token
110 ms
seed-bootstrap · Aug 1, 2026
——
Output speed
180 tok/s
seed-bootstrap · Aug 1, 2026
——
Input price
$0.04/1M
seed-bootstrap · Aug 1, 2026
$2/1M
openrouter · Aug 17, 2026
+$1.96/1M
Output price
$0.1/1M
seed-bootstrap · Aug 1, 2026
$12/1M
openrouter · Aug 17, 2026
+$11.9/1M
Context window
33k
seed-bootstrap · Aug 1, 2026
1M
openrouter · Aug 17, 2026
+1M

Workload Cost & Savings Calculator

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

Save 99% with Doubao Lite 1.5
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Doubao Lite 1.5$2.90 / mo
In: $1.4Out: $1.5
Google: Gemini 3.1 Pro Preview$250.00 / mo
In: $70Out: $180
Estimated Cost Delta

Doubao Lite 1.5 is estimated to save $247.10/month ($2,965/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Doubao Lite 1.5:Pick Doubao Lite 1.5 when you are optimizing output cost.
  • 2
    Google: Gemini 3.1 Pro Preview:Pick Google: Gemini 3.1 Pro Preview for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatDoubao Lite 1.5

Lower output list price ($0.1/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGGoogle: Gemini 3.1 Pro Preview

Larger window (1M).

Screenshots / visionGoogle: Gemini 3.1 Pro Preview

Google: Gemini 3.1 Pro Preview is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatDoubao Lite 1.5Lower output list price ($0.1/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGGoogle: Gemini 3.1 Pro PreviewLarger window (1M).
Screenshots / visionGoogle: Gemini 3.1 Pro PreviewGoogle: Gemini 3.1 Pro Preview 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
ByteDance

Doubao Lite 1.5

Elo 1,360
SWE-bench46%
Speed (tok/s)180 tok/s
Input / 1M Tokens$0.04/1M
Output / 1M Tokens$0.1/1M
Google

Google: Gemini 3.1 Pro Preview

Elo n/a
SWE-bench—
Speed (tok/s)1M
Input / 1M Tokens$2/1M
Output / 1M Tokens$12/1M

Frequently Asked Questions

Which is better overall, Doubao Lite 1.5 or Google: Gemini 3.1 Pro Preview?
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, Doubao Lite 1.5 or Google: Gemini 3.1 Pro Preview?
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?
Doubao Lite 1.5 output tokens are $0.1/1M versus $12/1M. Input prices and retry rates still move the real bill.
Which is faster, Doubao Lite 1.5 or Google: Gemini 3.1 Pro Preview?
We do not have TTFT for both models.
Which has the larger context window?
Google: Gemini 3.1 Pro Preview accepts 1M tokens versus 33k.
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. Doubao Lite 1.5 and Google: Gemini 3.1 Pro Preview Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All Doubao Lite 1.5 matchups →|All Google: Gemini 3.1 Pro Preview matchups →
Doubao Lite 1.5 vs Doubao Pro 1.5 (next seed)Gemini 2.0 Flash Thinking vs Doubao Lite 1.5Gemini 3 Flash vs Doubao Lite 1.5Gemini 3.6 Flash vs Doubao Lite 1.5Gemini 3 Pro vs Doubao Lite 1.5Gemini 3.6 Pro vs Doubao Lite 1.5