# A.X K2 vs DeepSeek V4 Pro 0813 > Side-by-side benchmark comparison for A.X K2 and DeepSeek V4 Pro 0813 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks. - Canonical page: https://benchlm.ai/compare/a-x-k2-vs-deepseek-v4-pro-0813 - Last updated: September 10, 2026 - Shared sourced benchmarks: 6 - HTML indexing: indexable - Ranking lane: BenchAlign v5 ## Quick Verdict Pick DeepSeek V4 Pro 0813 if you want the stronger benchmark profile. A.X K2 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score. ## Summary - DeepSeek V4 Pro 0813 leads overall 66.38 to 49. - The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 36.0% and 87.9%. - A.X K2 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use. - DeepSeek V4 Pro 0813 also has the larger context window at 1M. ## Model Snapshot | Property | A.X K2 | DeepSeek V4 Pro 0813 | |----------|----------|----------| | Creator | SK Telecom | DeepSeek | | Type | Open Weight | Proprietary | | Reasoning | Reasoning | Reasoning | | Context | 262K | 1M | | Overall Score | null | 66.38 | | Benchmarks Covered | 10 | 40 | | Pricing (input/output) | $0.00 / $0.00 | $0.435 / $0.87 | ## Category Breakdown ### Agentic - Winner: Coming soon - A.X K2 public-lane score: Coming soon - DeepSeek V4 Pro 0813 public-lane score: 56.5 (Supported · #33/152) | Benchmark | A.X K2 | DeepSeek V4 Pro 0813 | Winner | |-----------|-----------|-----------|--------| | Terminal-Bench 2.1 | 36.0% | 87.9% | DeepSeek V4 Pro 0813 | | Terminal-Bench 2.0 | Coming soon | 67.9% | Coming soon | | BrowseComp | Coming soon | 83.4% | Coming soon | | HLE w/ tools | Coming soon | 60.0% | Coming soon | | MCP Atlas | Coming soon | 73.6% | Coming soon | | Toolathlon | Coming soon | 51.8% | Coming soon | | CyberGym | Coming soon | 83.3% | Coming soon | | Toolathlon-Verified | Coming soon | 74.1% | Coming soon | | Agents' Last Exam | Coming soon | 25.7% | Coming soon | | AutomationBench | Coming soon | 31.8% | Coming soon | | Terminal-Bench 2.1 (Vals) | Coming soon | 54.7% | Coming soon | ### Coding - Winner: Coming soon - A.X K2 public-lane score: Coming soon - DeepSeek V4 Pro 0813 public-lane score: 51.9 (Supported · #49/151) | Benchmark | A.X K2 | DeepSeek V4 Pro 0813 | Winner | |-----------|-----------|-----------|--------| | LiveCodeBench v6 | 84.0% | Coming soon | Coming soon | | SciCode | 41% | Coming soon | Coming soon | | Terminal-Bench 2.1 | 36.0% | 87.9% | DeepSeek V4 Pro 0813 | | LiveCodeBench Pass@1-COT | Coming soon | 93.5% | Coming soon | | Codeforces | Coming soon | 3206.0 | Coming soon | | SWE-bench Verified | Coming soon | 80.6% | Coming soon | | SWE-bench Pro | Coming soon | 55.4% | Coming soon | | SWE Multilingual | Coming soon | 76.2% | Coming soon | | Terminal-Bench 2.0 | Coming soon | 67.9% | Coming soon | | Vibe Code Bench | Coming soon | 49.93% | Coming soon | | NL2Repo | Coming soon | 61.5% | Coming soon | | DeepSWE | Coming soon | 62.7% | Coming soon | | DSBench-FullStack | Coming soon | 71.1% | Coming soon | | DSBench-Hard | Coming soon | 67.2% | Coming soon | | OpenHarmony Bench | Coming soon | 59.0% | Coming soon | | LiveCodeBench (Vals) | Coming soon | 87.5% | Coming soon | | SWE-bench (Vals) | Coming soon | 96.4% | Coming soon | ### Reasoning - Winner: Coming soon - A.X K2 public-lane score: Coming soon - DeepSeek V4 Pro 0813 public-lane score: 60.3 (#15/20) | Benchmark | A.X K2 | DeepSeek V4 Pro 0813 | Winner | |-----------|-----------|-----------|--------| | MRCR 1M | Coming soon | 83.5% | Coming soon | | CorpusQA 1M | Coming soon | 62.0% | Coming soon | ### Knowledge - Winner: Coming soon - A.X K2 public-lane score: Coming soon - DeepSeek V4 Pro 0813 public-lane score: 59.8 (Estimated · #38/183) | Benchmark | A.X K2 | DeepSeek V4 Pro 0813 | Winner | |-----------|-----------|-----------|--------| | HLE | 27.8% | 42.7% | DeepSeek V4 Pro 0813 | | GPQA-D | 85.6% | 90.1% | DeepSeek V4 Pro 0813 | | MMLU-Pro | Coming soon | 87.5% | Coming soon | | SimpleQA | Coming soon | 57.9% | Coming soon | | Chinese-SimpleQA | Coming soon | 84.4% | Coming soon | | GPQA | Coming soon | 90.1% | Coming soon | | GPQA Diamond (Vals) | Coming soon | 92.4% | Coming soon | | MMLU-Pro (Vals) | Coming soon | 87.0% | Coming soon | ### Instruction Following - Winner: Coming soon - A.X K2 public-lane score: Coming soon - DeepSeek V4 Pro 0813 public-lane score: Coming soon | Benchmark | A.X K2 | DeepSeek V4 Pro 0813 | Winner | |-----------|-----------|-----------|--------| | IFBench | 75.9% | Coming soon | Coming soon | ### Mathematics - Winner: Coming soon - A.X K2 public-lane score: Coming soon - DeepSeek V4 Pro 0813 public-lane score: 80.4 (Unranked · 4 rankable rows) | Benchmark | A.X K2 | DeepSeek V4 Pro 0813 | Winner | |-----------|-----------|-----------|--------| | AIME26 | 97.1% | Coming soon | Coming soon | | Apex | 45.8% | 38.3% | A.X K2 | | Apex Shortlist | 88.6% | 90.2% | DeepSeek V4 Pro 0813 | | HMMT Feb 2026 | Coming soon | 95.2% | Coming soon | | IMOAnswerBench | Coming soon | 89.8% | Coming soon | ## FAQ ### Which is better overall, A.X K2 or DeepSeek V4 Pro 0813? DeepSeek V4 Pro 0813 is ahead overall on BenchLM right now. ### How many benchmarks does A.X K2 cover on BenchLM? A.X K2 currently has 10 sourced benchmark scores on BenchLM. ### How many benchmarks does DeepSeek V4 Pro 0813 cover on BenchLM? DeepSeek V4 Pro 0813 currently has 40 sourced benchmark scores on BenchLM. ## Related Comparisons - [A.X K2 vs A.X series](/compare/a-x-k2-vs-skt-ax) - [DeepSeek V4 Pro 0813 vs A.X series](/compare/deepseek-v4-pro-0813-vs-skt-ax) - [A.X K2 vs Claude Fable 5.1](/compare/a-x-k2-vs-claude-fable-5-1) - [DeepSeek V4 Pro 0813 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-deepseek-v4-pro-0813) ## Explore More - [A.X K2 profile](/models/a-x-k2) - [DeepSeek V4 Pro 0813 profile](/models/deepseek-v4-pro-0813) - [Compare Pricing](/llm-pricing) - [Alternative Finder](/tools/alternative-finder) - [LLM Selector](/tools/llm-selector) - [Overall Rankings](/best/overall)