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A · closed · Gemini

Gemini 1.5 Pro

Google

B · closed · Gemini

Gemini 3.8 Flash Cyber

Google

1:1

overall capability wins (0 ties across 2 scored). Price/speed category wins do not decide overall. Tied overall.

  • Specs1:1

Verdict

Gemini 1.5 Pro offers ~1.9x larger context (2M vs 1.0M); Gemini 3.8 Flash Cyber allows ~8.0x more max output (66K vs 8K).

  • Gemini 1.5 Pro offers ~1.9x larger context (2M vs 1.0M)
  • Gemini 3.8 Flash Cyber allows ~8.0x more max output (66K vs 8K)

Cost for 1M in + 250K out

Illustrative chat workload at primary-provider list prices.

Gemini 1.5 Pro
$2.50
Gemini 3.8 Flash Cyber
-

Price per 1M tokens

Full comparison

Organization

Google

Google

Family

Gemini

Gemini

License

Proprietary

Proprietary

Open weights

No

No

Release

Feb 15, 2024

Sep 2, 2026

Knowledge cutoff

-

-

API / provider

Google

No primary API price listed

Modalities

text, image, audio, video → text

text → text

Specs

Context window

2M

1.0M

A +951K

Max output

8K

66K

B +57K

Parameters

—

—

—

Pricing

Input $/1M

$1.25

—

—

Output $/1M

$5

—

—

Blended $/1M (3∶1)

$2.19

-

—

Speed

tok/s

70

-

—

TTFT (s)

0.5

-

—

Reasoning

MMLU-Pro

—

—

—

GPQA Diamond

58.9

—

—

Humanity's Last Exam

4.6

—

—

AIME 2025

—

—

—

MATH-500

—

—

—

Humanity's Last Exam (with tools)

—

—

—

AA-Omniscience Accuracy

—

—

—

AA-LCR v1.1

—

—

—

CritPt

—

—

—

MMMU-Pro

55.0

—

—

IFBench

—

—

—

Chartography

—

—

—

Chartography (With Tools)

—

—

—

Coding

SWE-bench Verified

—

—

—

SWE-bench Pro

—

—

—

SWE-bench Multilingual

—

—

—

LiveCodeBench

—

—

—

Terminal-Bench 2.1

—

—

—

Aider Polyglot

—

—

—

Terminal-Bench 3

—

—

—

BigCodeBench

—

—

—

SciCode

29.5

—

—

CursorBench

—

—

—

SWE-Rebench

—

—

—

NL2Repo-Bench

—

—

—

DeepSWE

—

—

—

WebDev Arena

—

—

—

Terminal-Bench 4.0

—

—

—

CursorBench 4.0

—

—

—

FrontierCode v1.1 (Main)

—

—

—

Arena

LMArena Elo

—

—

—

Gemini 1.5 Pro

Context
2M / 8K out
Parameters
—
Price
$1.25 / $5
Speed
70 tok/s · 0.5s TTFT
Modalities
text, image, audio, video → text
License
Proprietary

Landmark 1–2M token multimodal model that popularized long-video and codebase-scale context.

Gemini 3.8 Flash Cyber

Context
1.0M / 66K out
Parameters
—
Price
—
Speed
—
Modalities
text → text
License
Proprietary

Cybersecurity-specialized Gemini 3.8 Flash fine-tune for autonomous vulnerability discovery and automated patching - limited to the Fairwind Program for governments, critical-infrastructure operators, and trusted software maintainers (no public API).

Benchmark charts

Winner bars are emphasized. Per-benchmark deltas sit above each chart.

These two models have no overlapping published benchmarks in our dataset. Compare specs and pricing instead.

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