Head to head · tested 27 Oct 2026

GLM 5.3 Flash vs Inkling Small: accuracy, speed and price

Similar accuracy; GLM 5.3 Flash costs less per question.

Z.aiGLM 5.3 Flash67.5% score · #28$0.00015 per question83 tok/sThinking MachinesInkling Small67.5% score · #28$0.00047 per question233 tok/s

Verdict

Built from the measurements below

  • Accuracy is too close to call: GLM 5.3 Flash scored 67.5% and Inkling Small 67.5% on the same 80 questions, a gap within what chance alone could produce.
  • GLM 5.3 Flash is 3.2× cheaper per question as billed ($0.00015 vs $0.00047), reasoning tokens included.
  • Inkling Small generates text 2.8× faster: 233 tokens per second against 83.
  • GLM 5.3 Flash accepts more context: 1M tokens against 524k.

Which should you choose?

Choose GLM 5.3 Flash for the lower cost per correct answer ($0.00022 against $0.00069), a 1M-token context window and more hosts to choose from on OpenRouter (34 against 1). Choose Inkling Small for faster streaming and shorter outputs (about 273 tokens per question against 560). The widest subject gap is in engineering: GLM 5.3 Flash answered 8 of 15 correctly, Inkling Small 6 of 15. With so few questions per subject, treat this as a lead to test on your own prompts, not a result.

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

MeasureGLM 5.3 FlashInkling SmallEdge
Verification scoreHigher is better67.5%67.5%Too close to call
Cost per questionLower is better$0.00015$0.00047GLM 5.3 Flash
Output speedHigher is better83233Inkling Small
Time to first tokenLower is better0.5 s0.5 sSimilar
End-to-end response timeLower is better7.4 s3.6 sInkling Small
Tokens per questionLower is better560273Inkling Small
Context windowHigher is better1M524kGLM 5.3 Flash

Side by side

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

Every measure

GLM 5.3 Flash first, Inkling Small second

Verification scorehigher is better
GLM 5.3 Flash67.5%
Inkling Small67.5%
Cost per questionlower is better
GLM 5.3 Flash$0.00015
Inkling Small$0.00047
Output speedhigher is better
GLM 5.3 Flash83
Inkling Small233
Time to first tokenlower is better
GLM 5.3 Flash0.5 s
Inkling Small0.5 s
End-to-end response timelower is better
GLM 5.3 Flash7.4 s
Inkling Small3.6 s
Tokens per questionlower is better
GLM 5.3 Flash560
Inkling Small273
Context windowhigher is better
GLM 5.3 Flash1M
Inkling Small524k

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

SpecificationGLM 5.3 FlashInkling Small
CreatorZ.aiThinking Machines
Released26 Aug 202630 Jul 2026
WeightsOpen weightsOpen weights
ReasoningYesYes
Inputtext, image, videotext, image, audio
Outputtexttext
Context window1M tokens524k tokens
Knowledge cutoff——
List price in / out per 1M$0.15 / $0.5$0.45 / $1.2
Blended price per 1M (3:1)$0.24$0.64
Cheapest hostRelace · $0.0379 / $0.074DeepInfra · $0.45 / $1.2
Hosts on OpenRouter341
Last tested26 Oct 202626 Oct 2026

Compare any two models →

GLM 5.3 Flash vs Inkling Small: frequently asked questions

Is GLM 5.3 Flash better than Inkling Small?
On accuracy they are statistically tied: GLM 5.3 Flash scored 67.5% and Inkling Small 67.5% on the same 80 questions from open datasets. Similar accuracy; GLM 5.3 Flash costs less per question.
Which is cheaper, GLM 5.3 Flash or Inkling Small?
GLM 5.3 Flash is cheaper: $0.00015 per question as billed, against $0.00047. List prices: GLM 5.3 Flash $0.15 in / $0.5 out, Inkling Small $0.45 in / $1.2 out per million tokens.
Which is faster, GLM 5.3 Flash or Inkling Small?
Inkling Small is faster at 233 output tokens per second, against 83. Time to first token: 0.5 s for GLM 5.3 Flash, 0.5 s for Inkling Small.
Which has the larger context window, GLM 5.3 Flash or Inkling Small?
GLM 5.3 Flash, with 1M tokens against 524k.