Which model leads frontiermath_tier_4_v1?

GPT-5.5 Pro (xhigh) leads the frontiermath_tier_4_v1 board of 52 measured models on the Vector Wire tracker at 39.6. Every score is source-attributed with a verification tier.

frontiermath_tier_4_v1 Leaderboard — Model Scores

Refresh Models —Deals —Regulatory —Sources —

Pro Mode — raw scores, one benchmark under the lensthird-party eval harness

The field · 52 measured

039.6

52 models measured, most on the third-party eval harness. GPT-5.5 Pro (xhigh) tops the board at 39.6.

52 measured·Lifecycle Updated Sep 8, 2026Basis

#◆Vendor$/M in$/M out

Leader — ignites whiteField — fill cools with scoreIndependently verified only52 of 52Bars show 0–39.6· ◆ solid = first-party or better · outlined = arm's-length

01GPT-5.5 Pro (xhigh)+1 altOpenAI39.6$30.0/M$180.0/M$2.652

02GPT-5.4 Pro (web)OpenAI37.5$30.0/M$180.0/M$2.800

03GPT-5.5 (xhigh)+1 altOpenAI35.4$5.0/M$30.0/M$0.494

04GPT-5.2 Pro (web)OpenAI31.3$21.0/M$168.0/M$3.019

05Claude Opus 4.8Anthropic31.25$5.0/M$25.0/M$0.480

06GPT-5.4 (xhigh)+1 altOpenAI27.1$2.5/M$15.0/M$0.323

07Claude Opus 4.7 (xhigh)+1 altAnthropic22.92$5.0/M$25.0/M$0.654

08Claude Opus 4.6 (no thinking)+2 altsAnthropic22.9$5.0/M$25.0/M$0.655

09GPT-5.2 (low)+4 altsOpenAI18.8$1.8/M$14.0/M$0.419

10Gemini 3 Pro PreviewGoogle18.75$2.0/M$12.0/M$0.373

11Gemini 3.1 Pro PreviewGoogle16.7$2.0/M$12.0/M$0.419

12GPT-5 ProOpenAI14.6$15.0/M$120.0/M$4.623

13Muse SparkMeta14.6———

14Kimi K2.6Moonshot14.58$0.97/M$4.0/M$0.171

15Gemini 3.5 Flash (high)Google14.58$1.5/M$9.0/M$0.360

16GLM-5.1Z.ai12.5$1.4/M$4.4/M$0.231

17GPT-5 (medium)+1 altOpenAI12.5$1.3/M$10.0/M$0.450

18GPT-5.1 (medium)+2 altsOpenAI12.5$1.3/M$10.0/M$0.450

19Gemini 2.5 Deep ThinkGoogle10.4———

20Qwen 3.6 Plus (2026-04-02)Alibaba8.33$0.50/M$3.0/M$0.210

21Claude Sonnet 4.6 (16k thinking)Anthropic8.3$3.0/M$15.0/M$1.084

22GPT-5.4 nano (high)+1 altOpenAI6.25$0.20/M$1.3/M$0.116

23O4 Mini (medium)+2 altsOpenAI6.25$1.1/M$4.4/M$0.440

24GPT-5 mini (medium)+2 altsOpenAI6.25$0.25/M$2.0/M$0.180

25Kimi K2.5 (Fireworks)Moonshot4.2$0.60/M$3.1/M$0.443

26Gemini 3 FlashGoogle4.17$0.50/M$3.0/M$0.420

27Gemini 2.5 FlashGoogle4.17$0.30/M$2.5/M$0.336

28Claude Sonnet 4.5 (no thinking)+1 altAnthropic4.17$3.0/M$15.0/M$2.158

29O3 Mini (high)+1 altOpenAI4.17$1.1/M$4.4/M$0.659

30Qwen 3.6 Max (Preview)Alibaba4.17$1.3/M$7.8/M$1.091

31Gemini 2.5 Pro Preview (Jun 2025)Google4.17$1.3/M$10.0/M$1.349

32Claude Opus 4.1Anthropic4.17$15.0/M$75.0/M$10.791

33Claude Opus 4.5 (16k thinking)+1 altAnthropic4.17$5.0/M$25.0/M$3.597

34Claude Opus 4Anthropic4.17$15.0/M$75.0/M$10.791

35GLM-4.6 (Together)Z.ai2.13$0.57/M$2.2/M$0.650

36DeepSeek-V3.2 (Thinking; Fireworks)+1 altDeepSeek2.1$0.28/M$0.42/M$0.167

37GLM-5Z.ai2.1$1.0/M$3.2/M$1.000

38GPT-5.4 mini (high)+1 altOpenAI2.08$0.75/M$4.5/M$1.262

39Qwen 3.5 Plus (hosted 397B-A17B)Alibaba2.08$0.40/M$2.4/M$0.673

40Grok 4SpaceXAI2.08$3.0/M$15.0/M$4.327

41Claude Haiku 4.5Anthropic2.08$1.0/M$5.0/M$1.442

42Grok 4 Heavy (web app)SpaceXAI2.08———

43O3 (high)+1 altOpenAI2.08$2.0/M$8.0/M$2.404

44GPT-5 nano (high)+2 altsOpenAI2.08$0.05/M$0.40/M$0.108

45GPT-4.1OpenAI0$2.0/M$8.0/M—

46Claude Sonnet 4Anthropic0$3.0/M$15.0/M—

47GLM-4.7 (Together)Z.ai0$0.60/M$2.2/M—

48Qwen 3.6 Flash (2026-04-16)Alibaba0$0.25/M$1.5/M—

49Qwen3.5 FlashAlibaba0$0.10/M$0.40/M—

50Claude 3.5 Sonnet (Oct 2024)+1 altAnthropic0$3.0/M$15.0/M—

51Kimi K2 Thinking (Together)+1 altMoonshot0$0.60/M$2.5/M—

52Grok 3+1 altSpaceXAI0$4.0/M$20.0/M—

◆ solid = independently verified · aggregator attested · vendor attributed — outlined = cross-reference · source-attributed. Dimmed ◆ = confidence inferred. “+N alts” = alternate disclosures in the drawer with why-demoted. Prices per million tokens; $/point = input price ÷ score. Every row opens its model dossier.