# DeepSeek V4 Pro 0813 vs GPT Realtime 2.1

> Side-by-side benchmark comparison for DeepSeek V4 Pro 0813 and GPT Realtime 2.1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v4-pro-0813-vs-gpt-realtime-2-1
- Last updated: September 10, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for DeepSeek V4 Pro 0813 and GPT Realtime 2.1.

## Summary

- DeepSeek V4 Pro 0813 and GPT Realtime 2.1 do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | DeepSeek V4 Pro 0813 | GPT Realtime 2.1 |
|----------|----------|----------|
| Creator | DeepSeek | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1M | 128K |
| Independent public score (not head-to-head) | 66.38 | null |
| Benchmarks Covered | 40 | 0 |
| Pricing (input/output) | $0.435 / $0.87 | $4.00 / $24.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- DeepSeek V4 Pro 0813 public-lane score: 56.5 (Supported · #33/152)
- GPT Realtime 2.1 public-lane score: Coming soon

| Benchmark | DeepSeek V4 Pro 0813 | GPT Realtime 2.1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 67.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 87.9% | Coming soon | Coming soon |
| BrowseComp | 83.4% | Coming soon | Coming soon |
| HLE w/ tools | 60.0% | Coming soon | Coming soon |
| MCP Atlas | 73.6% | Coming soon | Coming soon |
| Toolathlon | 51.8% | Coming soon | Coming soon |
| CyberGym | 83.3% | Coming soon | Coming soon |
| Toolathlon-Verified | 74.1% | Coming soon | Coming soon |
| Agents' Last Exam | 25.7% | Coming soon | Coming soon |
| AutomationBench | 31.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 54.7% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- DeepSeek V4 Pro 0813 public-lane score: 51.9 (Supported · #49/151)
- GPT Realtime 2.1 public-lane score: Coming soon

| Benchmark | DeepSeek V4 Pro 0813 | GPT Realtime 2.1 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pass@1-COT | 93.5% | Coming soon | Coming soon |
| Codeforces | 3206.0 | Coming soon | Coming soon |
| SWE-bench Verified | 80.6% | Coming soon | Coming soon |
| SWE-bench Pro | 55.4% | Coming soon | Coming soon |
| SWE Multilingual | 76.2% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 67.9% | Coming soon | Coming soon |
| Vibe Code Bench | 49.93% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 87.9% | Coming soon | Coming soon |
| NL2Repo | 61.5% | Coming soon | Coming soon |
| DeepSWE | 62.7% | Coming soon | Coming soon |
| DSBench-FullStack | 71.1% | Coming soon | Coming soon |
| DSBench-Hard | 67.2% | Coming soon | Coming soon |
| OpenHarmony Bench | 59.0% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 96.4% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- DeepSeek V4 Pro 0813 public-lane score: 60.3 (#15/20)
- GPT Realtime 2.1 public-lane score: Coming soon

| Benchmark | DeepSeek V4 Pro 0813 | GPT Realtime 2.1 | Winner |
|-----------|-----------|-----------|--------|
| MRCR 1M | 83.5% | Coming soon | Coming soon |
| CorpusQA 1M | 62.0% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- DeepSeek V4 Pro 0813 public-lane score: 59.8 (Estimated · #38/183)
- GPT Realtime 2.1 public-lane score: Coming soon

| Benchmark | DeepSeek V4 Pro 0813 | GPT Realtime 2.1 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 87.5% | Coming soon | Coming soon |
| SimpleQA | 57.9% | Coming soon | Coming soon |
| Chinese-SimpleQA | 84.4% | Coming soon | Coming soon |
| GPQA | 90.1% | Coming soon | Coming soon |
| GPQA-D | 90.1% | Coming soon | Coming soon |
| HLE | 42.7% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 92.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 87.0% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- DeepSeek V4 Pro 0813 public-lane score: 80.4 (Unranked · 4 rankable rows)
- GPT Realtime 2.1 public-lane score: Coming soon

| Benchmark | DeepSeek V4 Pro 0813 | GPT Realtime 2.1 | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | 95.2% | Coming soon | Coming soon |
| IMOAnswerBench | 89.8% | Coming soon | Coming soon |
| Apex | 38.3% | Coming soon | Coming soon |
| Apex Shortlist | 90.2% | Coming soon | Coming soon |

## FAQ

### Can I compare DeepSeek V4 Pro 0813 and GPT Realtime 2.1 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [DeepSeek V4 Pro 0813 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-deepseek-v4-pro-0813)
- [GPT Realtime 2.1 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-realtime-2-1)
- [DeepSeek V4 Pro 0813 vs GPT-6 Astra](/compare/deepseek-v4-pro-0813-vs-gpt-6-astra)
- [GPT Realtime 2.1 vs GPT-6 Astra](/compare/gpt-6-astra-vs-gpt-realtime-2-1)

## Explore More

- [DeepSeek V4 Pro 0813 profile](/models/deepseek-v4-pro-0813)
- [GPT Realtime 2.1 profile](/models/gpt-realtime-2-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)