OpenAI

o3

33 published results from 3 sources. Each card shows where the number comes from and what it does not measure. Results are never combined into one score.

Provider: OpenAI
Sources: 3
Our benchmarks: 0
Price: Not yet published

Reported by others

Reported by Arena (formerly LMArena)

1,192

Overall · rank 8 of 34

Unit: Arena rating, higher is better
Range: 1,185 to 1,199
Sample: 20644 votes
Configuration: o3
Measured: 24 Aug 2026
Not shown: Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.

Reported by Arena (formerly LMArena)

1,405

Overall · rank 133 of 177

Unit: Arena rating, higher is better
Range: 1,398 to 1,411
Sample: 7512 votes
Configuration: o3
Measured: 25 Sep 2026
Not shown: Not an error rate: claims that cannot be checked on the web are skipped, and preference still carries most of the weight.

Reported by Arena (formerly LMArena)

1,426

Business, management and finance · rank 89 of 402

Unit: Arena rating, higher is better
Range: 1,420 to 1,433
Sample: 9464 votes
Configuration: o3
Measured: 25 Sep 2026
Not shown: Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.

Reported by Arena (formerly LMArena)

1,383

Creative writing · rank 101 of 407

Unit: Arena rating, higher is better
Range: 1,376 to 1,390
Sample: 7564 votes
Configuration: o3
Measured: 25 Sep 2026
Not shown: Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.

Reported by Arena (formerly LMArena)

1,449

Expert prompts · rank 83 of 359

Unit: Arena rating, higher is better
Range: 1,437 to 1,460
Sample: 2983 votes
Configuration: o3
Measured: 25 Sep 2026
Not shown: Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.

Reported by Arena (formerly LMArena)

1,403

Instruction following · rank 115 of 409

Unit: Arena rating, higher is better
Range: 1,397 to 1,408
Sample: 15395 votes
Configuration: o3
Measured: 25 Sep 2026
Not shown: Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.

Reported by Arena (formerly LMArena)

1,432

Overall · rank 91 of 409

Unit: Arena rating, higher is better
Range: 1,428 to 1,435
Sample: 58587 votes
Configuration: o3
Measured: 25 Sep 2026
Not shown: Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.

Reported by Arena (formerly LMArena)

1,396

Writing, literature and language · rank 99 of 408

Unit: Arena rating, higher is better
Range: 1,390 to 1,402
Sample: 13145 votes
Configuration: o3
Measured: 25 Sep 2026
Not shown: Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

86.1%

Irrelevance detection · rank 28 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl fc)
Measured: 16 Dec 2025
Not shown: Not general refusal or safety behaviour.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

84.0%

Irrelevance detection · rank 39 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl prompt)
Measured: 16 Dec 2025
Not shown: Not general refusal or safety behaviour.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

47.3%

Memory · rank 12 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl fc)
Measured: 16 Dec 2025
Not shown: Not long-term personal memory in a product: sessions are BFCL's scripted ones.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

51.8%

Memory · rank 10 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl prompt)
Measured: 16 Dec 2025
Not shown: Not long-term personal memory in a product: sessions are BFCL's scripted ones.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

14.8%

Multi-turn tasks · rank 58 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl fc)
Measured: 16 Dec 2025
Not shown: Not open-ended agent work: the tools and tasks are BFCL's simulated APIs.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

62.2%

Multi-turn tasks · rank 8 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl prompt)
Measured: 16 Dec 2025
Not shown: Not open-ended agent work: the tools and tasks are BFCL's simulated APIs.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

48.6%

Overall accuracy · rank 30 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl fc)
Measured: 16 Dec 2025
Not shown: Not a neutral average: the weighting is BFCL's. Not reliability on your own tools: BFCL's functions and queries are a fixed test set, and a correct call is judged by its form, not by what it achieved.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

63.0%

Overall accuracy · rank 8 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl prompt)
Measured: 16 Dec 2025
Not shown: Not a neutral average: the weighting is BFCL's. Not reliability on your own tools: BFCL's functions and queries are a fixed test set, and a correct call is judged by its form, not by what it achieved.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

81.2%

Relevance detection · rank 41 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl fc)
Measured: 16 Dec 2025
Not shown: Not whether the call itself was right; only that one was attempted.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

93.8%

Relevance detection · rank 8 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl prompt)
Measured: 16 Dec 2025
Not shown: Not whether the call itself was right; only that one was attempted.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

40.4%

Single-turn calls (curated) · rank 100 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl fc)
Measured: 16 Dec 2025
Not shown: Not reliability on your own tools: BFCL's functions and queries are a fixed test set, and a correct call is judged by its form, not by what it achieved.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

81.9%

Single-turn calls (curated) · rank 66 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl prompt)
Measured: 16 Dec 2025
Not shown: Not reliability on your own tools: BFCL's functions and queries are a fixed test set, and a correct call is judged by its form, not by what it achieved.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

66.2%

Single-turn calls (user-contributed) · rank 76 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl fc)
Measured: 16 Dec 2025
Not shown: Not reliability on your own tools: BFCL's functions and queries are a fixed test set, and a correct call is judged by its form, not by what it achieved.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

73.2%

Single-turn calls (user-contributed) · rank 50 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl prompt)
Measured: 16 Dec 2025
Not shown: Not reliability on your own tools: BFCL's functions and queries are a fixed test set, and a correct call is judged by its form, not by what it achieved.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

77.0%

Web search · rank 9 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl fc)
Measured: 16 Dec 2025
Not shown: Not general research quality: questions have short, checkable answers.

Reported by Berkeley Function Calling Leaderboard (BFCL) V4

50.5%

Web search · rank 26 of 109

Unit: % correct, higher is better
Configuration: o3 (bfcl prompt)
Measured: 16 Dec 2025
Not shown: Not general research quality: questions have short, checkable answers.

Reported by UGI Leaderboard

18.0%

Requested-length error · rank 150 of 370

Unit: % off the requested word count, lower is better
Configuration: o3 (high reasoning)
Measured: 24 Sep 2025
Not shown: Not other format limits such as character counts or bullet counts.

Reported by UGI Leaderboard

29.0%

Requested-length error · rank 248 of 370

Unit: % off the requested word count, lower is better
Configuration: o3 (low reasoning)
Measured: 24 Sep 2025
Not shown: Not other format limits such as character counts or bullet counts.

Reported by UGI Leaderboard

18.0%

Requested-length error · rank 150 of 370

Unit: % off the requested word count, lower is better
Configuration: o3 (medium reasoning)
Measured: 24 Sep 2025
Not shown: Not other format limits such as character counts or bullet counts.

Reported by UGI Leaderboard

0.30

Style adherence · rank 322 of 370

Unit: score from 0 to 1, higher is better
Configuration: o3 (high reasoning)
Measured: 24 Sep 2025
Not shown: Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.

Reported by UGI Leaderboard

0.28

Style adherence · rank 355 of 370

Unit: score from 0 to 1, higher is better
Configuration: o3 (low reasoning)
Measured: 24 Sep 2025
Not shown: Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.

Reported by UGI Leaderboard

0.29

Style adherence · rank 346 of 370

Unit: score from 0 to 1, higher is better
Configuration: o3 (medium reasoning)
Measured: 24 Sep 2025
Not shown: Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.

Reported by UGI Leaderboard

66.8

Writing score · rank 52 of 370

Unit: score out of 100, higher is better
Configuration: o3 (high reasoning)
Measured: 24 Sep 2025
Not shown: Not business copy quality: UGI's prompts are private and lean towards creative writing, and models that often refuse get no score.

Reported by UGI Leaderboard

65.8

Writing score · rank 57 of 370

Unit: score out of 100, higher is better
Configuration: o3 (low reasoning)
Measured: 24 Sep 2025
Not shown: Not business copy quality: UGI's prompts are private and lean towards creative writing, and models that often refuse get no score.

Reported by UGI Leaderboard

66.8

Writing score · rank 50 of 370

Unit: score out of 100, higher is better
Configuration: o3 (medium reasoning)
Measured: 24 Sep 2025
Not shown: Not business copy quality: UGI's prompts are private and lean towards creative writing, and models that often refuse get no score.

o3

Reported by others

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