Comprehensive side-by-side LLM comparison
o3 leads with 31.6% higher average benchmark score. o3 offers 29.7K more tokens in context window than Qwen3-235B-A22B. Qwen3-235B-A22B is $49.00 cheaper per million tokens. o3 supports multimodal inputs. Overall, o3 is the stronger choice for coding tasks.
OpenAI
OpenAI o3, released by OpenAI in April 2025, is a large reasoning model that applies extended chain-of-thought processing to deliver improved performance on complex math, science, and coding tasks. It features a 200K token context window and native image understanding, with demonstrated strong results on mathematics and software engineering benchmarks. o3 targets demanding analytical and engineering tasks where deliberate, multi-step reasoning produces significantly better outcomes than direct generation.
Alibaba / Qwen
Qwen3-235B-A22B, released by Alibaba's Qwen team on April 28, 2025, is a Mixture-of-Experts large language model with 235 billion total parameters and 22 billion active parameters per inference. It features a 256K token context window, hybrid thinking capabilities (both reasoning and direct generation modes), and was trained on 36 trillion tokens across 119 languages. Qwen3-235B targets complex reasoning, multilingual tasks, and open-source deployments under the Apache 2.0 license.
12 days newer

o3
OpenAI
2025-04-16
Qwen3-235B-A22B
Alibaba / Qwen
2025-04-28
Cost per million tokens (USD)
o3
Qwen3-235B-A22B
Context window and performance specifications
Average performance across 1 common benchmarks
o3
Qwen3-235B-A22B
Performance comparison across key benchmark categories
o3
Qwen3-235B-A22B
Available providers and their performance metrics
o3
OpenAI
Qwen3-235B-A22B
o3
Qwen3-235B-A22B
o3
Qwen3-235B-A22B
OpenRouter