Anthropic vs OpenAI: which AI lab wins at real work?
22 task areas · each lab's best model per task · same graded test runs · rank comparison only.
Anthropic's best model out-ranks OpenAI's in 15 of 22 task areas we tested; OpenAI takes 7. Lineup prices run $6–$60/1M for Anthropic vs $0.75–$210/1M for OpenAI.
Task by task — each lab's best
For every task area, we take each lab's highest-ranked model and compare where they land against every model we test.
| Task area | Anthropic's best | OpenAI's best | Winner |
|---|---|---|---|
| Training & Education |
#1 / 110
|
#63 / 110
|
Anthropic |
| Structured Output |
#61 / 113
|
#1 / 113
|
OpenAI |
| Sales |
#1 / 110
|
#40 / 110
|
Anthropic |
| AI Strategy |
#1 / 126
|
#30 / 126
|
Anthropic |
| Data & Analytics |
#2 / 110
|
#27 / 110
|
Anthropic |
| Presentations & Decks |
#20 / 110
|
#1 / 110
|
OpenAI |
| Executive Assistant |
#1 / 112
|
#11 / 112
|
Anthropic |
| Summarization & Meeting Notes |
#1 / 110
|
#10 / 110
|
Anthropic |
| Landing Pages |
#1 / 72
|
#9 / 72
|
Anthropic |
| Legal & HR |
#1 / 110
|
#9 / 110
|
Anthropic |
| RAG, Safety & Grounding |
#11 / 113
|
#16 / 113
|
Anthropic |
| Investor & Pitch |
#3 / 66
|
#7 / 66
|
Anthropic |
| Frontend & Landing Pages |
#2 / 109
|
#5 / 109
|
Anthropic |
| Chef / Home Cooking |
#3 / 126
|
#1 / 126
|
OpenAI |
| Coding |
#3 / 115
|
#1 / 115
|
OpenAI |
| Customer Support |
#1 / 113
|
#3 / 113
|
Anthropic |
| Research & Competitive Analysis |
#3 / 110
|
#1 / 110
|
OpenAI |
| Content & Brand |
#1 / 124
|
#2 / 124
|
Anthropic |
| Creative & Comedy |
#1 / 110
|
#2 / 110
|
Anthropic |
| Knowledge & Docs |
#2 / 110
|
#1 / 110
|
OpenAI |
| Product & Project Management |
#2 / 110
|
#1 / 110
|
OpenAI |
| Translation & Localization |
#2 / 110
|
#3 / 110
|
Anthropic |
Rank = the model's position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Anthropic better than OpenAI for real work?
Comparing each lab's best model per task area across 22 areas, Anthropic ranks higher in 15 and OpenAI in 7.
What is Anthropic's strongest model?
Claude Opus 4.8 — avg percentile 87 across our task areas.
What is OpenAI's strongest model?
GPT-5.5 — avg percentile 86 across our task areas.
Where does Anthropic beat OpenAI?
Anthropic leads at Training & Education, Sales, AI Strategy.
Where does OpenAI beat Anthropic?
OpenAI leads at Structured Output, Presentations & Decks, Chef / Home Cooking.
More lab match-ups
This page is Spring Prompt, running in public
We just did this for every model. Do it for your prompt.
The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.
- Generate test cases from your prompt — no eval set required to start.
- Compare models side by side with quality, cost and latency in one matrix.
- Optimise the winner until the scores say it's ready to ship.
Prompt × model results
12 test cases · 3 evals