Compare models
Put models side by side on price, context, capabilities, and benchmarks.
Claude Haiku 4.5 is Anthropic's fast, affordable small model in the Claude 4 generation, balancing strong instruction-following and coding ability with low latency. It is designed for high-throughput agentic and chat applications where speed and cost efficiency are priorities.
GPT-OSS-120B is OpenAI's open-weight mixture-of-experts model (around 120B parameters) released under a permissive license for self-hosted deployment. It offers strong reasoning and coding performance for teams that need to run OpenAI-quality models on their own infrastructure.
Benchmarks
Head-to-head scores across reasoning, coding, and agentic indices, plus per-domain rankings.
Intelligence
Coding
Automation & Tool Use
Intelligence, coding & agentic scores from Artificial Analysis.
Software & IT Services
arena.aiPopular comparisons
GPT-6.1 Sol vs Claude Opus 5.5
Claude Opus 5.5 vs Gemini 4 Argon
Gemini 3.8 Flash vs Claude Haiku 5.5
Qwen3.8 Max Prime vs Kimi K3
DeepSeek V4 Pro 0813 vs GPT-6.1 Sol

Ling 3.1 Flash vs DeepSeek V4.1 Flash
Claude Sonnet 5.5 vs GPT-6.1 Sol
Gemini 4 Argon vs GPT-6.1 Sol
DeepSeek V4 Pro 0813 vs Claude Opus 5.5
Claude Fable 5.1 vs GPT-6 Astra
Kimi K3 vs Claude Fable 5.1
Grok 4.7 vs GPT-6.1 Sol
GLM 5.3 vs DeepSeek V4 Pro 0813
Mistral Large 4 vs Llama 4 Maverick
Claude Opus 5.5 vs Claude Sonnet 5.5
Claude Haiku 5.5 vs GPT-6 Luna