// Independent AI tool comparisons

Compare AI models and tools. Pick the right stack.

Pricing, context windows, coding benchmarks and API availability – side by side, kept current, without vendor spin.

2 in the comparison · 5 Criteria
Figures are provided without guarantee. Research as of November 2026.

aistackcomp.com/en/compare

Overall score · Claude 3.5 Sonnet vs GPT-4o

✦

Claude 3.5 Sonnet

Anthropic’s mid-tier flagship. Strong on multi-file coding, long documents and tool use; the 200K context handles entire repositories.

★ 4.7

$3.00 in / $15.00 out

🤖

GPT-4o

OpenAI’s omni model with native audio and vision. Slightly cheaper per token, very fast, and backed by the largest third-party ecosystem.

★ 4.5

$2.50 in / $10.00 out

criteria per model

flagship models compared

Nov 2026

last data check

In the comparison

Claude 3.5 Sonnet · AnthropicGPT-4o · OpenAI