Head to head · tested 27 Oct 2026

Ling 3.1 Flash vs Solar Mini 4: accuracy, speed and price

Similar accuracy; Solar Mini 4 costs less per question.

inclusionAILing 3.1 Flash41.2% score · #54$0.00061 per question7 tok/sUpstageSolar Mini 441.2% score · #54$0.00053 per question107 tok/s

Verdict

Built from the measurements below

  • Accuracy is too close to call: Ling 3.1 Flash scored 41.2% and Solar Mini 4 41.2% on the same 80 questions, a gap within what chance alone could produce.
  • Solar Mini 4 is 1.2× cheaper per question as billed ($0.00053 vs $0.00061), reasoning tokens included.
  • Solar Mini 4 generates text 15× faster: 107 tokens per second against 7.
  • Solar Mini 4 starts answering sooner: 0.7 s to the first token, against 1.1 s for Ling 3.1 Flash.
  • Solar Mini 4 accepts more context: 524k tokens against 262k.

Which should you choose?

Choose Solar Mini 4 for the lower cost per correct answer ($0.0013 against $0.0015), faster streaming, a quicker first token and a 524k-token context window.

Accuracy gap +0.0 points (z = 0.00). A winner is called only when z is at least 1.96, the usual 95% threshold. Speed, latency and price need a 10% margin.

Head to head

Same questions, same prompt, same API

MeasureLing 3.1 FlashSolar Mini 4Edge
Verification scoreHigher is better41.2%41.2%Too close to call
Cost per questionLower is better$0.00061$0.00053Solar Mini 4
Output speedHigher is better7107Solar Mini 4
Time to first tokenLower is better1.1 s0.7 sSolar Mini 4
End-to-end response timeLower is better81.3 s7.4 sSolar Mini 4
Tokens per questionLower is better2,6162,552Similar
Context windowHigher is better262k524kSolar Mini 4

Side by side

Bars are scaled to the larger of the two values. The winner on each measure is marked in bold.

Every measure

Ling 3.1 Flash first, Solar Mini 4 second

Verification scorehigher is better
Ling 3.1 Flash41.2%
Solar Mini 441.2%
Cost per questionlower is better
Ling 3.1 Flash$0.00061
Solar Mini 4$0.00053
Output speedhigher is better
Ling 3.1 Flash7
Solar Mini 4107
Time to first tokenlower is better
Ling 3.1 Flash1.1 s
Solar Mini 40.7 s
End-to-end response timelower is better
Ling 3.1 Flash81.3 s
Solar Mini 47.4 s
Tokens per questionlower is better
Ling 3.1 Flash2,616
Solar Mini 42,552
Context windowhigher is better
Ling 3.1 Flash262k
Solar Mini 4524k

Score vs. cost per question

Both models in color, every other model in grey

Most attractive quadrant0255075100$0.00001$0.0001$0.001$0.01$0.10Cost per question (USD, log) →Verification score (%) →Qwen3.8 2.4T A95BCommand AReka Flash 3Gemma 4 26B A4BGemma 4 31BQwen3.5 397B A17BHermes 4 405BMuse WonderGrok 4.7o3gpt-oss-20bMinistral 3 3B 2512Nova Micro 1.0Phi 4Granite 4.2 8BHy3GLM 5.3 FlashSolar Pro 4Trinity Large ThinkingMiniMax M3Mistral Large 4Claude Opus 5.5GPT-6.1 SolGemini 4 ArgonGPT-5.4GPT-6 Lunagpt-oss-120bLlama 4 Maverick

Specifications and pricing

From OpenRouter's catalogue, plus the leaderboard's test dates

SpecificationLing 3.1 FlashSolar Mini 4
CreatorinclusionAIUpstage
Released2 Oct 202623 Sept 2026
Weights——
ReasoningYesYes
Inputtexttext
Outputtexttext
Context window262k tokens524k tokens
Knowledge cutoff——
List price in / out per 1M$0.075 / $0.225$0.05 / $0.2
Blended price per 1M (3:1)$0.11$0.09
Cheapest hostDeepInfra · $0.075 / $0.225Upstage · $0.05 / $0.2
Hosts on OpenRouter21
Last tested27 Oct 202626 Oct 2026

Compare any two models →

Ling 3.1 Flash vs Solar Mini 4: frequently asked questions

Is Ling 3.1 Flash better than Solar Mini 4?
On accuracy they are statistically tied: Ling 3.1 Flash scored 41.2% and Solar Mini 4 41.2% on the same 80 questions from open datasets. Similar accuracy; Solar Mini 4 costs less per question.
Which is cheaper, Ling 3.1 Flash or Solar Mini 4?
Solar Mini 4 is cheaper: $0.00053 per question as billed, against $0.00061. List prices: Ling 3.1 Flash $0.075 in / $0.225 out, Solar Mini 4 $0.05 in / $0.2 out per million tokens.
Which is faster, Ling 3.1 Flash or Solar Mini 4?
Solar Mini 4 is faster at 107 output tokens per second, against 7. Time to first token: 1.1 s for Ling 3.1 Flash, 0.7 s for Solar Mini 4.
Which has the larger context window, Ling 3.1 Flash or Solar Mini 4?
Solar Mini 4, with 524k tokens against 262k.