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).
| Metric | Agnes 3.0 Flash | GPT-5.2 (xhigh) |
|---|---|---|
| BenchLeader Index | 62.3 | 62.0 |
| Agents & tools score | 76.8 | 56.4 |
| Composite score | 74.0 | 67.6 |
| Knowledge score | 59.1 | 57.9 |
| Long context score | 67.0 | 67.8 |
| Reasoning score | 71.1 | 62.8 |
| Coding score | – | 63.2 |
| Instruction following score | – | 73.4 |
| Maths score | – | 58.4 |
| Blended price $/M | $0.075 | $4.81 |
| Output speed | – | 67 tok/s |
| Time to first answer | – | 94.0 s |
| Context window | 1M | 400k |
| GPQA Diamond | – | 91.4% |
| FrontierMath Tiers 1–3 | – | 67.4% |
| FrontierMath Tier 4 | – | 31.7% |
| OTIS Mock AIME | – | 96.1% |
| SimpleQA Verified | – | 37.1% |
| WeirdML | – | 72.2% |
| APEX-Agents | – | 34.4% |
| ProofBench | – | 15.0% |
| AA Intelligence Index | 35.5 | 30.4 |
| IFBench | – | 75.4% |
| AA-LCR | 81.0% | 82.7% |
| AA-Omniscience | -10.6 | -0.9 |
| Terminal-Bench Hard | – | 47.0% |
| 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% |
| LiveCodeBench | – | 85.4% |
| MMLU-Pro | – | 86.2% |
| LegalBench | – | 82.8% |
| CorpFin | – | 65.9% |
| TaxEval | – | 75.8% |
| MedQA | – | 94.1% |
| MGSM | – | 94.0% |
| SWE-bench (Vals) | – | 75.8% |
| GPQA Diamond (Vals) | – | 91.7% |
| MCP Atlas | – | 67.6% |
| ARC-AGI-1 | – | 86.2% |
| ARC-AGI-2 | – | 52.9% |
| CritPt | 15.1% | 11.6% |
| GDPval (AA) | 53.7% | – |
| τ²-Bench Banking (AA) | 47.6% | – |
| CaseLaw v2 | – | 66.0% |
| MedCode | – | 49.8% |
| MedScribe | – | 84.4% |
| MMMU-Pro (Vals) | – | 86.7% |
| MortgageTax | – | 67.1% |
| SAGE | – | 49.3% |
| Vibe Code Bench v1.1 | – | 53.5% |
| DrugDiscoveryBench | – | 29.3% |
| Chess Puzzles | – | 49.0% |
| EBR-bench | – | 23.0% |
| VPCT | – | 84.0% |
| LMCA | – | 43.9% |
| DTBench | – | 90.9% |
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.