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SWE-bench (full test set) leaderboard

Claude Opus 4.5 leads
52.6%
models measured
3
lead over #2
+33.8 pts
median
18.8%

Leader on SWE-bench (full test set) · read October 21

swe_bench_full_test_set.py


        # SWE-bench (full test set), read October 21
        leaders = {
            "Claude Opus 4.5": 52.6%,    "GPT-4o": 18.8%,    "GPT-4": 12.5%,
        }
      

On October 21, 2026, 6 of our catalog's models had a SWE-bench (full test set) result, and Anthropic Claude Opus 4.5 led with 52.6%, ahead of Anthropic Claude 3.7 Sonnet at 33.8%.

The full SWE-bench test set of 2,294 GitHub issues from open source Python projects, before any curation. The number is the share of issues resolved.

Role in the index

A coding board we show beside the Vibe Coding Index, not inside it: the index keeps the six boards it was defined on, so a score does not move every time a board is added. Read the methodology

SWE-bench (full test set) results for models in the catalog
# Model Result Evidence Coding index Output $/Mtok
1 Claude Opus 4.5Anthropic 52.6% 44.0 $25.00
2 Claude 3.7 SonnetRetiredAnthropic 33.8% Not benchmarked $15.00
3 Claude 3.5 SonnetRetiredAnthropic 24.9% Not benchmarked $15.00
4 GPT-4oOpenAI 18.8% Not benchmarked $10.00
5 GPT-4OpenAI 12.5% Not benchmarked $60.00
6 Claude 3 OpusRetiredAnthropic 10.5% Not benchmarked $75.00

Only models in our catalog are listed, and each appears once with its best published run. 42 rows were read from the source on October 21, 2026, and rows that match no catalog model are left out.