Best AI Model by Use Case
Skip the benchmarks — here's the best model for what you actually want to do.
Based on Arena ELO ratings, benchmark scores, and real-world testing. Last reviewed Mar 2026.
</>Coding & Software Engineering
Autonomous coding agent
Claude Opus 4.6— #1 Arena Code ELO (1547), #1 SWE-bench Verified among Claude models
Runner-up: Claude Sonnet 4.6
Inline code completion
Claude Sonnet 4.6— #3 Arena Code (1521) — fast enough for real-time with excellent quality
Runner-up: GPT-4.1
Competitive programming
o3— 83.1% LiveCodeBench — best at algorithmic problem solving
Runner-up: Grok 4.20 Beta
Budget coding
Claude Haiku 4.5— Cheapest model with strong HumanEval and usable SWE-bench scores
Runner-up: GPT-4o mini
AaWriting & Content
Long-form writing
Claude Opus 4.6— #1 Arena Text ELO (1500) — best prose quality and creative range
Runner-up: Gemini 3.1 Pro
Copywriting & marketing
Claude Sonnet 4.6— Strong writing quality at 80 tok/s — ideal for iterative copy drafts
Runner-up: GPT-5.4
Translation
GPT-5.4— 93.8% MMLU — broadest multilingual coverage and cross-language accuracy
Runner-up: Gemini 3.1 Pro
Summarization
Gemini 3.1 Pro— 1M+ context window handles entire books/codebases in a single pass
Runner-up: Claude Opus 4.6
?Research & Analysis
Scientific research
Gemini 3.1 Pro— 94.3% GPQA Diamond — best at PhD-level science reasoning
Runner-up: Grok 4.20 Beta
Web search with citations
Claude Opus 4.6— #1 Arena Search ELO (1255) — best search-augmented responses
Runner-up: Sonar Deep Research
Math & quantitative analysis
o3— 97.9% MATH, 96.7% AIME 2025 — best pure math reasoning
Runner-up: Grok 4.20 Beta
Document analysis
Claude Opus 4.6— #1 Arena Document ELO (1524), 95.4% DocVQA — best at parsing dense docs
Runner-up: Claude Sonnet 4.6
▣Vision & Image Understanding
Image understanding
Gemini 3.0 Pro— #1 Arena Vision ELO (1290) — strongest at interpreting images
Runner-up: Gemini 3.1 Pro
Image generation
Nano Banana 2— #1 Arena Text-to-Image ELO (1266) — best native image generation
Runner-up: GPT-5.4
Image editing
GPT-5.4— #1 Arena Image Edit ELO (1402) — best at modifying existing images
Runner-up: Nano Banana 2
Multimodal college-level tasks
Gemini 3.1 Pro— 85.1% MMMU — best at questions requiring image + text reasoning
Runner-up: Grok 4.20 Beta
▶Video & Creative
Text-to-video generation
Veo 3.1— #1 Arena Text-to-Video ELO (1381) — highest quality AI video with audio
Runner-up: Sora 2 Pro
Image-to-video animation
Grok Imagine Video— #1 Arena Image-to-Video ELO (1404) — best at animating still images
Runner-up: Veo 3.1
$Speed & Budget
Fastest inference
Step-3.5-Flash-Base— 300 tok/s — fastest model by a wide margin
Runner-up: Gemini 2.0 Flash
Quick Q&A / chatbot
Sonar— $1/M tokens, 175 tok/s — fastest and cheapest search-grounded answers
Runner-up: Claude Haiku 4.5
Data analysis on a budget
Claude Sonnet 4.5— 82 tok/s with strong coding — ideal for iterative data exploration
Runner-up: GPT-5.4 mini
How we pick these recommendations
Rankings are based on Arena ELO ratings (human preference voting across 600+ evaluations) combined with benchmark scores from official model cards. We weight different signals depending on the task:
- Coding — Arena Code ELO, SWE-bench Verified, LiveCodeBench
- Writing — Arena Text ELO, MMLU (knowledge breadth), speed
- Research — Arena Search/Document ELO, GPQA, MATH/AIME
- Vision — Arena Vision ELO, MMMU, DocVQA
- Image/Video — Arena generation ELOs (Text-to-Image, Image Edit, Video)
Also see: Best Coding LLM, Best Reasoning LLM, Best Cheap LLM, Full Benchmark Leaderboard.