Gemini 4 Hydrogen vs GPT-5.5
Change modelsGemini 4 HydrogenGoogle
GPT-5.5OpenAI
IndexAll categories, out of 100.
77.3 ±8.0 best
68.8 ±2.4
GapIndex points below the top.
Top
−8.5
CoverageIndex weight that has results.
65%
95% best
SpeedOutput tokens per second.
—
52/s
EloLMArena rating and rank.
—
1466
ReleasedMonth of release.
2026-11
2026-04
Input / 1MUS dollars per 1M input tokens.
$1.50 best
$5.00
Output / 1MUS dollars per 1M output tokens.
$7.50 best
$30.00
Batch output / 1MBatch price per 1M output tokens.
—
$15.00
1K chats2K tokens in, 500 out, each.
$6.75 best
$25.00
1K documents20K tokens in, 1K out, each.
$37.50 best
$130.00
1K agent tasks200K tokens in, 20K out, each.
$450.00 best
$1,600.00
ContextMaximum tokens in one request.
1M
1.05M best
AgenticMulti-step tasks with tools.
78.7 best
65.7
CodingCode writing and repair.
77.4 best
65.0
ReasoningLogic problems and puzzles.
—
73.8
MultimodalTasks with images and text.
80.6 best
66.7
KnowledgeFacts and expert knowledge.
74.3 best
70.2
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
—
64.8
MathMath problems.
—
74.5
Benchmarks
5 sharedOnly Gemini 4 Hydrogen: 11Only GPT-5.5: 110
Gemini 4 Hydrogen
GPT-5.5