vs
1:5
overall capability wins (0 ties across 6 scored). Gemini 3.5 Flash-Lite leads overall.
- Reasoning0:3
- Coding0:1
- Pricing0:3
- Speed0:2
- Specs1:1
Verdict
Gemini 3.5 Flash-Lite leads coding (widest gap: +11.8 on SciCode); Gemini 1.5 Pro offers ~1.9x larger context (2M vs 1.0M); Gemini 3.5 Flash-Lite allows ~8.0x more max output (66K vs 8K).
- Gemini 3.5 Flash-Lite leads coding (widest gap: +11.8 on SciCode)
- Gemini 1.5 Pro offers ~1.9x larger context (2M vs 1.0M)
- Gemini 3.5 Flash-Lite allows ~8.0x more max output (66K vs 8K)
- Gemini 3.5 Flash-Lite is ~2.6x cheaper on a blended token basis than Gemini 1.5 Pro
Cost for 1M in + 250K out
Illustrative chat workload at primary-provider list prices.
- Gemini 1.5 Pro
- $2.50
- Gemini 3.5 Flash-Lite
- $0.93
Gemini 3.5 Flash-Lite is about 2.7x cheaper on this workload.
Price per 1M tokens
Full comparison
Organization
Family
Gemini
Gemini
License
Proprietary
Proprietary
Open weights
No
No
Release
Feb 15, 2024
Jul 21, 2026
Knowledge cutoff
-
-
API / provider
Modalities
text, image, audio, video → text
text, image, audio, video → text
Specs
Context window
2M
1.0M
Max output
8K
66K
Parameters
—
—
Pricing
Input $/1M
$1.25
$0.30
Output $/1M
$5
$2.50
Blended $/1M (3∶1)
$2.19
$0.85
Speed
tok/s
70
220
TTFT (s)
0.5
0.18
Reasoning
MMLU-Pro
—
—
GPQA Diamond
58.9
83.8
Humanity's Last Exam
4.6
18.8
AIME 2025
—
—
MATH-500
—
—
Humanity's Last Exam (with tools)
—
—
AA-Omniscience Accuracy
—
29.5
AA-LCR v1.1
—
76.0
CritPt
—
—
MMMU-Pro
55.0
79.0
IFBench
—
—
Chartography
—
—
Chartography (With Tools)
—
—
Coding
SWE-bench Verified
—
—
SWE-bench Pro
—
—
SWE-bench Multilingual
—
—
LiveCodeBench
—
—
Terminal-Bench 2.1
—
53.6
Aider Polyglot
—
—
Terminal-Bench 3
—
—
BigCodeBench
—
—
SciCode
29.5
41.3
CursorBench
—
—
SWE-Rebench
—
—
NL2Repo-Bench
—
—
DeepSWE
—
—
WebDev Arena
—
1,447
Terminal-Bench 4.0
—
—
CursorBench 4.0
—
—
FrontierCode v1.1 (Main)
—
—
Arena
LMArena Elo
—
1,456
| Metric | Gemini 1.5 Pro | Gemini 3.5 Flash-Lite | Delta |
|---|---|---|---|
| Identity | |||
| Organization | — | ||
| Family | Gemini | Gemini | — |
| License | Proprietary | Proprietary | — |
| Open weights | No | No | — |
| Release | Feb 15, 2024 | Jul 21, 2026 | — |
| Knowledge cutoff | - | - | — |
| API / provider | — | ||
| Modalities | text, image, audio, video → text | text, image, audio, video → text | — |
| Specs | |||
| Context window | 2M | 1.0M | A +951K |
| Max output | 8K | 66K | B +57K |
| Parameters | — | — | — |
| Pricing | |||
| Input $/1M | $1.25 | $0.30 | B +$0.95 |
| Output $/1M | $5 | $2.50 | B +$2.50 |
| Blended $/1M (3∶1) | $2.19 | $0.85 | B +$1.34 |
| Speed | |||
| tok/s | 70 | 220 | B +150 |
| TTFT (s) | 0.5 | 0.18 | B +0.32 |
| Reasoning | |||
| MMLU-Pro | — | — | — |
| GPQA Diamond | 58.9 | 83.8 | B +24.9 pts |
| Humanity's Last Exam | 4.6 | 18.8 | B +14.2 pts |
| AIME 2025 | — | — | — |
| MATH-500 | — | — | — |
| Humanity's Last Exam (with tools) | — | — | — |
| AA-Omniscience Accuracy | — | 29.5 | — |
| AA-LCR v1.1 | — | 76.0 | — |
| CritPt | — | — | — |
| MMMU-Pro | 55.0 | 79.0 | B +24.0 pts |
| IFBench | — | — | — |
| Chartography | — | — | — |
| Chartography (With Tools) | — | — | — |
| Coding | |||
| SWE-bench Verified | — | — | — |
| SWE-bench Pro | — | — | — |
| SWE-bench Multilingual | — | — | — |
| LiveCodeBench | — | — | — |
| Terminal-Bench 2.1 | — | 53.6 | — |
| Aider Polyglot | — | — | — |
| Terminal-Bench 3 | — | — | — |
| BigCodeBench | — | — | — |
| SciCode | 29.5 | 41.3 | B +11.8 pts |
| CursorBench | — | — | — |
| SWE-Rebench | — | — | — |
| NL2Repo-Bench | — | — | — |
| DeepSWE | — | — | — |
| WebDev Arena | — | 1,447 | — |
| Terminal-Bench 4.0 | — | — | — |
| CursorBench 4.0 | — | — | — |
| FrontierCode v1.1 (Main) | — | — | — |
| Arena | |||
| LMArena Elo | — | 1,456 | — |
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 3.5 Flash-Lite
- Context
- 1.0M / 66K out
- Parameters
- —
- Price
- $0.30 / $2.50
- Speed
- 220 tok/s · 0.18s TTFT
- Modalities
- text, image, audio, video → text
- License
- Proprietary
GA cost-efficient Flash-Lite for high-volume agentic subtasks, translation, and simple data processing.
Benchmark charts
Winner bars are emphasized. Per-benchmark deltas sit above each chart.