Ling 3.0 Flash vs Solar Pro 4: Specs & Benchmark Comparison

Ling 3.0 Flash is developed by InclusionAI, while Solar Pro 4 comes from Upstage. Both were released in August 2026. Ling 3.0 Flash has a published size of about 124 billion parameters; Upstage has not disclosed the parameter count of Solar Pro 4.

The two models share 5 published benchmarks. They split them evenly, 2 to 2. The widest gaps are on BrowseComp, where Ling 3.0 Flash scores 72.2% against 49.2%; AA-LCR, where Solar Pro 4 scores 71.0% against 65.1%. Averaged across everything we track, Ling 3.0 Flash sits at 68.5% and Solar Pro 4 at 69.9%.

Ling 3.0 Flash is the cheaper API at $0.06 per million input tokens and $0.18 per million output tokens, roughly 5 times cheaper than Solar Pro 4 at $0.30 and $1.20. Solar Pro 4 takes the larger context window at 524K tokens, compared with 131K for Ling 3.0 Flash.

CharacteristicLing 3.0 FlashSolar Pro 4
CompanyInclusionAIUpstage
Release DateAugust 4, 2026August 6, 2026
Parameters124B
MultimodalNoNo
Context (input)131K524K
Context (output)131K131K
Input Price / 1M$0.06$0.30
Output Price / 1M$0.18$1.20
Average Score68.5%69.9%
Benchmarks
BrowseComp72.2%49.2%
AA-LCR65.1%71.0%
Tau3 Banking28.0%23.0%
AIME 202693.2%95.3%
Terminal-Bench 2.157.0%57.0%

Visual Benchmark Comparison

Ling 3.0 Flash
Solar Pro 4
BrowseComp0.7 vs 0.5
0.7
0.5
AA-LCR0.7 vs 0.7
0.7
0.7
Tau3 Banking0.3 vs 0.2
0.3
0.2
AIME 20260.9 vs 1.0
0.9
1.0
Terminal-Bench 2.10.6 vs 0.6
0.6
0.6

Verdict

Both models show equal results — the choice depends on your specific use case.

Overall Performance

Both models show comparable average scores: Ling 3.0 Flash — 0.7, Solar Pro 4 — 0.7.

API Cost

Ling 3.0 Flash is 6.3x cheaper: input $0.06/1M vs $0.30/1M tokens.

Context Window

Solar Pro 4 supports a larger context: 524K vs 131K tokens.

Recency

Both models were released around the same time: 8/4/2026 and 8/6/2026.

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Frequently Asked Questions

Which is better for coding — Ling 3.0 Flash or Solar Pro 4?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Ling 3.0 Flash or Solar Pro 4?
Ling 3.0 Flash is cheaper for input: $0.06 per 1M tokens vs $0.30.
Which has a larger context window — Ling 3.0 Flash or Solar Pro 4?
Solar Pro 4 supports a larger context: 524,288 tokens vs 131,072.

The Ling 3.0 Flash and Solar Pro 4 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Ling 3.0 Flash or Solar Pro 4 page. See also the complete list of AI model comparisons.