BenchLeader

Agnes 3.0 Flash vs GPT-5.2

Verdict
  • Agnes 3.0 Flash and GPT-5.2 (xhigh) are level on quality (62.3 vs 62.0).
  • Agnes 3.0 Flash is stronger in agents & tools, composite, knowledge, reasoning.
  • GPT-5.2 (xhigh) is stronger in long context, coding, instruction following, maths.
  • Agnes 3.0 Flash is 64× cheaper ($0.075 vs $4.81 per 1M blended).
MetricAgnes 3.0 FlashGPT-5.2 (xhigh)
BenchLeader Index62.362.0
Agents & tools score76.856.4
Composite score74.067.6
Knowledge score59.157.9
Long context score67.067.8
Reasoning score71.162.8
Coding score63.2
Instruction following score73.4
Maths score58.4
Blended price $/M$0.075$4.81
Output speed67 tok/s
Time to first answer94.0 s
Context window1M400k
GPQA Diamond91.4%
FrontierMath Tiers 1–367.4%
FrontierMath Tier 431.7%
OTIS Mock AIME96.1%
SimpleQA Verified37.1%
WeirdML72.2%
APEX-Agents34.4%
ProofBench15.0%
AA Intelligence Index35.530.4
IFBench75.4%
AA-LCR81.0%82.7%
AA-Omniscience-10.6-0.9
Terminal-Bench Hard47.0%
GPQA Diamond (AA)92.4%90.3%
Humanity's Last Exam (AA)38.5%37.7%
SciCode (AA)51.6%
τ²-Bench Telecom (AA)84.8%
AIME (Vals)96.9%
LiveCodeBench85.4%
MMLU-Pro86.2%
LegalBench82.8%
CorpFin65.9%
TaxEval75.8%
MedQA94.1%
MGSM94.0%
SWE-bench (Vals)75.8%
GPQA Diamond (Vals)91.7%
MCP Atlas67.6%
ARC-AGI-186.2%
ARC-AGI-252.9%
CritPt15.1%11.6%
GDPval (AA)53.7%
τ²-Bench Banking (AA)47.6%
CaseLaw v266.0%
MedCode49.8%
MedScribe84.4%
MMMU-Pro (Vals)86.7%
MortgageTax67.1%
SAGE49.3%
Vibe Code Bench v1.153.5%
DrugDiscoveryBench29.3%
Chess Puzzles49.0%
EBR-bench23.0%
VPCT84.0%
LMCA43.9%
DTBench90.9%

Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.

Agnes 3.0 Flash vs GPT-5.2: questions

Is Agnes 3.0 Flash better than GPT-5.2?
Agnes 3.0 Flash and GPT-5.2 (xhigh) are level on quality (62.3 vs 62.0). The BenchLeader Index combines every independent quality benchmark; Agnes 3.0 Flash is ahead overall as of 2026-09-19, but check the category scores for your use.
Is Agnes 3.0 Flash better than GPT-5.2 for agentic tasks?
Agnes 3.0 Flash scores higher in agentic tasks (77 vs 56 on the category index, where 50 is average).
Which is cheaper, Agnes 3.0 Flash or GPT-5.2?
Agnes 3.0 Flash is cheaper: $0.075 against $4.81 per million tokens, blended at three input tokens per output token.
Which has the larger context window?
Agnes 3.0 Flash accepts more context: 1M against 400k tokens.