Gemini 3.8 Flash vs GPT-5.6 Sol

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IndexAll categories, out of 100.
67.8 ±2.5
73.0 ±1.9 best
GapIndex points below the top.
−5.2
Top
CoverageIndex weight that has results.
95%
100% best
SpeedOutput tokens per second.
68/s best
64/s
EloLMArena rating and rank.
1500 best
1457
ReleasedMonth of release.
2026-09
2026-07
Input / 1MUS dollars per 1M input tokens.
$0.825 best
$4.40
Output / 1MUS dollars per 1M output tokens.
$4.13 best
$22.00
Batch output / 1MBatch price per 1M output tokens.
$1.88 best
$10.00
1K chats2K tokens in, 500 out, each.
$3.71 best
$19.80
1K documents20K tokens in, 1K out, each.
$20.63 best
$110.00
1K agent tasks200K tokens in, 20K out, each.
$247.50 best
$1,320.00
ContextMaximum tokens in one request.
1.05M
1.05M
AgenticMulti-step tasks with tools.
65.3
71.9 best
CodingCode writing and repair.
66.2
70.4 best
ReasoningLogic problems and puzzles.
68.3
76.3 best
MultimodalTasks with images and text.
67.1
72.6 best
KnowledgeFacts and expert knowledge.
70.9
72.7 best
MultilingualTasks in many languages.
—
66.4
InstructionTasks with strict prompt rules.
91.3 best
64.5
MathMath problems.
64.3
75.1 best

Benchmarks

87 shared
Only Gemini 3.8 Flash: 19Only GPT-5.6 Sol: 38
Gemini 3.8 Flash
GPT-5.6 Sol
47.8%20 / 222
49.5% best13 / 222
81.3%34 / 217
84.0% best8 / 217
95.4% best5 / 217
93.5%17 / 217
18.3%34 / 214
32.3% best3 / 214
98.9%22 / 200
100.0% best1 / 200
95.3% best2 / 199
94.1%5 / 199
50.5%19 / 164
59.4% best8 / 164
87.0%7 / 149
87.0%7 / 149
TaxEval v2Finance
74.4%36 / 143
74.8% best29 / 143
89.5% best3 / 142
82.6%51 / 142
94.4%4 / 135
95.2% best2 / 135
MMLU ProKnowledge
90.2% best5 / 135
89.1%15 / 135
46.8%34 / 133
55.4% best19 / 133
89.2%11 / 131
92.5% best3 / 131
98.5% best1 / 126
96.5%11 / 126
78.7%34 / 123
80.5% best31 / 123
92.5%11 / 122
93.8% best10 / 122
98.0%11 / 116
99.0% best2 / 116
56.6%23 / 114
57.1% best22 / 114
85.6% best4 / 113
83.4%10 / 113