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Ling 3.1 Flash vs Solar Pro 4

Ling 3.1 Flash leads the LLM Stats Score 51.0 to 35.0.

InclusionAI · Upstage · Updated for 2026

Which is better?

Ling 3.1 Flash leads the overall LLM Stats Score 51.0 to 35.0, ranking #15 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Ling 3.1 Flash

  • overall performance matters — it scores 51.0 and ranks #15 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Solar Pro 4

  • you want predictable pricing at $0.30/M input and $1.20/M output

At a glance

The differences that matter most.

Ling 3.1 Flash
InclusionAI
Solar Pro 4
Upstage
Core performance indexes
LLM Stats Score
51.0
#15
35.0
#102
Reasoning
47.5
#26
34.6
#97
Coding
38.8
#18
20.8
#104
Agents
38.0
#12
11.3
#123
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.30 / M
Output price
— / M
$1.20 / M
Context window
—
524,288

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Ling 3.1 Flash
Solar Pro 4
Tool use
29.0#16
8.5#147
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Ling 3.1 Flash · 9 for Solar Pro 4

No common benchmarks found

Ling 3.1 Flash and Solar Pro 4don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Solar Pro 4 specifies input context (524,288 tokens). Only Solar Pro 4 specifies output context (131,072 tokens).

InclusionAI
Ling 3.1 Flash
Input- tokens
Output- tokens
Upstage
Solar Pro 4
Input524,288 tokens
Output131,072 tokens
Sun Oct 11 2026 • llm-stats.com

Release Timeline

When each model was launched

Ling 3.1 Flash was released on 2026-09-30, while Solar Pro 4 was released on 2026-08-06.

Ling 3.1 Flash is 2 months newer than Solar Pro 4.

Ling 3.1 Flash

Sep 30, 2026

1 weeks ago

1mo newer
Solar Pro 4

Aug 6, 2026

2 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Ling 3.1 Flash and Solar Pro 4 side-by-side, then vote on the output you prefer.

Ling 3.1 Flash
✓ Preferred
Solar Pro 4
Open in Playground

FAQ

Common questions about Ling 3.1 Flash vs Solar Pro 4.

Which is better, Ling 3.1 Flash or Solar Pro 4?

Ling 3.1 Flash leads the LLM Stats Score 51.0 to 35.0. Ling 3.1 Flash is made by InclusionAI and Solar Pro 4 is made by Upstage. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Ling 3.1 Flash compare to Solar Pro 4 in benchmarks?

Ling 3.1 Flash scores CyberGym: 87.9%, DRACO: 85.5%, FrontierSWE: 75.2%, Multi-Challenge: 69.8%, SkillsBench: 68.7%. Solar Pro 4 scores AIME 2026: 95.3%, GPQA: 89.0%, LiveCodeBench: 87.8%, MMLU-Pro: 86.3%, AA-LCR: 71.0%.

What are the context window sizes for Ling 3.1 Flash and Solar Pro 4?

Ling 3.1 Flash supports an unknown number of tokens and Solar Pro 4 supports 524K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Ling 3.1 Flash and Solar Pro 4?

Key differences include LLM Stats Score (51.0 vs 35.0), licensing (Unknown vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Ling 3.1 Flash and Solar Pro 4?

Ling 3.1 Flash is developed by InclusionAI and Solar Pro 4 is developed by Upstage.

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