Natural Language Processing

Processing and understanding text? Evaluate your models on language understanding, generation, translation, and information extraction benchmarks.

19 tasks23 datasets5995 results

NLP in 2025 has matured from research systems to production infrastructure. Frontier models reach 95% on MMLU while solving alignment problems through Constitutional AI. The field now balances raw capability with practical deployment concerns.

Tasks & Benchmarks

State of the Field (2025)

  • Frontier models (GPT-5.1, Claude 3.5, DeepSeek-V3) achieve 88-92% on MMLU with context windows expanding to 2M tokens, though long-context reasoning still degrades with scale
  • Open-source models now match proprietary performance - DeepSeek-V3 (88.5 MMLU) rivals GPT-4o while Llama 4 offers 30x cost reduction at respectable capability
  • RAG adopted in 78% of production systems as standard architecture, while agentic AI enables multi-step autonomous task completion with 30% of orgs exploring deployment
  • Constitutional AI reduced harmful outputs by 85% vs 2023, but hallucination remains critical challenge requiring explicit mitigation strategies in production

Quick Recommendations

General-purpose tasks requiring frontier capability

GPT-5.1 or Claude 3.5 Sonnet

Most consistent performance across benchmarks (92% MMLU for GPT-5.1, 88.9% for Claude). Battle-tested production infrastructure and SLAs justify premium cost for critical applications.

Cost-sensitive deployments with data privacy needs

DeepSeek-V3 or Llama 4 Scout

DeepSeek-V3 matches GPT-4o performance (88.5 MMLU) with local deployment. Llama 4 costs 30x less ($0.1/1M tokens) with 86% MMLU - exceptional value for budget constraints.

Machine translation for production

Claude 3.5 Sonnet for general, DeepL for critical content

Claude achieved 78% professional 'good' ratings, highest among LLMs. DeepL hybrid approach requires 2-3x fewer corrections for publication-ready translation despite narrower language coverage.

Asian language processing and multimodal tasks

Qwen 3 (72B) or Qwen3-VL (235B)

Maintains 95% terminology accuracy for Asian technical content. Qwen3-VL rivals GPT-V on vision benchmarks with superior 20x visual compression at 97% OCR accuracy.

Edge deployment and resource-constrained environments

DistilBERT, Mistral-7B, or quantized Llama 3

DistilBERT retains 97% GLUE performance at 40% parameter reduction. Quantized Llama 3 (2-4 bit) runs on mobile devices while handling straightforward QA and dialogue effectively.

Enterprise knowledge management with proprietary data

RAG architecture with Claude/GPT-5 + semantic search

78% of production systems use RAG for good reason - enables knowledge updates without retraining, stronger hallucination mitigation through grounding, and maintains data privacy.

Complex reasoning requiring step-by-step verification

Test-time compute scaling with o1 or similar

Allocating compute during inference enables smaller models to outperform 14x larger models on complex problems. 4x efficiency improvement through compute-optimal allocation strategies.

Multi-step autonomous task execution

Agentic frameworks with GPT-5 or Claude as orchestrator

Agentic AI handles complex workflows requiring planning, execution, and iteration. Capital One achieved 5x latency reduction, Salesforce closed 18k deals since October 2024 launch.

Show all datasets and SOTA results

Polish LLM General

Open PL LLM Leaderboard2025
93.44(belebele)Meta-Llama-3.1-405B-Instruct-FP8

Polish Cultural Competency

PLCC2025
100(culture-and-tradition)Gemini-3.1-Pro-Preview

Polish Text Understanding

CPTU-Bench2025
4.702247(tricky-questions)Qwen/Qwen3.5-35B-A3B thinking (API)

Polish Conversation Quality

Polish MT-Bench2025
10(stem)gemma-3-12b-it

Polish Emotional Intelligence

Polish EQ-Bench2025
78.07(eq-score)Mistral-Large-Instruct-2407

Question Answering

SQuAD v2.02018
91.4(f1)GPT-4o

Text Summarization

CNN/DailyMail2015
47.78(rouge-1)BRIO

Text Classification

GLUE2018
91.3(SuperGLUE avg)Vega v2 (6B)
SuperGLUE2019
91.4(average-score)DeBERTa-v3-large

Natural Language Inference

SNLI2015
92.6(accuracy)GPT-4o

Text Ranking

BEIR2021
62.65(ndcg@10)NV-Embed-v2
41.8(mrr@10)RankLLaMA-7B

Named Entity Recognition

CoNLL-20032003
93.8(f1)GLiNER-multitask

Feature Extraction

72.31(avg-score)NV-Embed-v2

Machine Translation

WMT'232023
84.1(comet)GPT-4

Semantic Textual Similarity

88.4(spearman)GTE-Qwen2-7B-instruct

Table Question Answering

SQA2017
75.3(accuracy)GPT-4

Fill-Mask

GLUE2018
91.37(avg-score)DeBERTa-v3-large

Zero-Shot Classification

XNLI2018
87.4(accuracy)GPT-4

Reading Comprehension

RACE2017

Language Modeling

Honest Takes

Benchmark scores are mostly contamination

Models perform substantially better on problems released before their training cutoff than after. GLUE and SuperGLUE are saturated. Focus on domain-specific evaluation on your actual production data, not leaderboard rankings.

Longer context doesn't mean better reasoning

Models now support 2M token windows but reasoning degrades even when retrieval succeeds. Don't assume more context improves performance - test carefully as adding documents can hurt accuracy.

RAG beats fine-tuning for most use cases

Unless you have domain-specific style requirements or truly unique knowledge patterns, RAG provides better ROI. Knowledge updates without retraining, lower cost, and retrieval quality matters more than model size.

Edge deployment is viable now

90% size reduction through quantization while maintaining 95%+ accuracy enables capable models on mobile devices. Edge deployment grew 340% in 2025 - privacy and latency benefits outweigh cloud convenience for many applications.

Specialized models still win on translation

While LLMs won 9 of 11 WMT24 language pairs, hybrid approaches like DeepL require 2-3x fewer editorial corrections. For production translation at scale, domain-specific models justify the added complexity.

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