Claude Sonnet 5 vs GPT-5.4

Change models
GPT-5.4OpenAI
IndexAll categories, out of 100.
64.1 ±2.7
64.4 ±2.4 best
GapIndex points below the top.
−0.3 · no clear gap
Top
CoverageIndex weight that has results.
95%
95%
SpeedOutput tokens per second.
75/s best
38/s
EloLMArena rating and rank.
1442
1452 best
ReleasedMonth of release.
2026-06
2026-03
Input / 1MUS dollars per 1M input tokens.
$2.00 best
$2.50
Output / 1MUS dollars per 1M output tokens.
$10.00 best
$15.00
Batch output / 1MBatch price per 1M output tokens.
$5.00 best
$7.50
1K chats2K tokens in, 500 out, each.
$9.00 best
$12.50
1K documents20K tokens in, 1K out, each.
$50.00 best
$65.00
1K agent tasks200K tokens in, 20K out, each.
$600.00 best
$800.00
ContextMaximum tokens in one request.
1M
1.05M best
AgenticMulti-step tasks with tools.
65.3 best
62.0
CodingCode writing and repair.
65.2 best
61.0
ReasoningLogic problems and puzzles.
66.3
68.8 best
MultimodalTasks with images and text.
59.5
61.9 best
KnowledgeFacts and expert knowledge.
58.8
66.2 best
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
55.7
63.3 best
MathMath problems.
64.7
67.8 best

Benchmarks

48 shared
Only Claude Sonnet 5: 38Only GPT-5.4: 53
Claude Sonnet 5
GPT-5.4
41.3%41 / 222
43.7% best31 / 222
82.0%29 / 217
82.0%29 / 217
80.3%88 / 217
93.3% best19 / 217
16.9%43 / 214
23.4% best23 / 214
80.0%86 / 200
95.3% best46 / 200
91.1%27 / 199
92.0% best22 / 199
40.1%52 / 165
50.8% best18 / 165
83.9%45 / 149
86.0% best17 / 149
TaxEval v2Finance
75.6% best14 / 143
74.0%42 / 143
82.4%52 / 142
84.1% best40 / 142
88.9%32 / 135
91.7% best18 / 135
MMLU ProKnowledge
87.5%26 / 135
87.5%26 / 135
48.2% best29 / 133
37.3%47 / 133
CorpFin v2Finance
67.0% best13 / 131
65.3%28 / 131
81.3% best30 / 124
48.5%70 / 124
77.3%40 / 113
78.4% best37 / 113
MedScribeHealthcare
76.1%77 / 109
77.5% best69 / 109
MedCodeHealthcare
47.5% best33 / 106
41.3%55 / 106
70.0% best4 / 97
68.3%17 / 97
MMMU ProMultimodal
83.0%35 / 92
87.5% best14 / 92