vs
0:6
overall capability wins (0 ties across 6 scored). Gemini 3.8 Flash leads overall.
- Reasoning0:3
- Coding0:1
- Pricing3:0
- Specs0:2
Verdict
Gemini 3.8 Flash leads coding (widest gap: +29.9 on SciCode); Gemini 3.8 Flash offers larger context (1.0M vs 1M); Gemini 3.8 Flash allows ~8.0x more max output (66K vs 8K).
- Gemini 3.8 Flash leads coding (widest gap: +29.9 on SciCode)
- Gemini 3.8 Flash offers larger context (1.0M vs 1M)
- Gemini 3.8 Flash allows ~8.0x more max output (66K vs 8K)
- Gemini 1.5 Flash is ~11.4x cheaper on a blended token basis than Gemini 3.8 Flash
Cost for 1M in + 250K out
Illustrative chat workload at primary-provider list prices.
- Gemini 1.5 Flash
- $0.15
- Gemini 3.8 Flash
- $1.69
Gemini 1.5 Flash is about 11.3x cheaper on this workload.
Price per 1M tokens
Full comparison
Organization
Family
Gemini
Gemini
License
Proprietary
Proprietary
Open weights
No
No
Release
May 14, 2024
Sep 2, 2026
Knowledge cutoff
-
2026-03
API / provider
Modalities
text, image, audio, video → text
text, image, audio, video → text
Specs
Context window
1M
1.0M
Max output
8K
66K
Parameters
—
—
Pricing
Input $/1M
$0.07
$0.75
Output $/1M
$0.30
$3.75
Blended $/1M (3∶1)
$0.13
$1.50
Speed
tok/s
150
-
TTFT (s)
0.25
-
Reasoning
MMLU-Pro
—
—
GPQA Diamond
46.3
95.3
Humanity's Last Exam
3.2
47.8
AIME 2025
—
—
MATH-500
—
—
Humanity's Last Exam (with tools)
—
—
AA-Omniscience Accuracy
—
54.6
AA-LCR v1.1
—
81.3
CritPt
—
18.3
MMMU-Pro
48.4
85.6
IFBench
—
—
Chartography
—
—
Chartography (With Tools)
—
—
Coding
SWE-bench Verified
—
—
SWE-bench Pro
—
—
SWE-bench Multilingual
—
—
LiveCodeBench
—
—
Terminal-Bench 2.1
—
87.6
Aider Polyglot
—
—
Terminal-Bench 3
—
—
BigCodeBench
—
—
SciCode
26.7
56.6
CursorBench
—
69.2
SWE-Rebench
—
—
NL2Repo-Bench
—
—
DeepSWE
—
73.7
WebDev Arena
—
1,567
Terminal-Bench 4.0
—
19.1
CursorBench 4.0
—
—
FrontierCode v1.1 (Main)
—
—
Arena
LMArena Elo
—
1,493
| Metric | Gemini 1.5 Flash | Gemini 3.8 Flash | Delta |
|---|---|---|---|
| Identity | |||
| Organization | — | ||
| Family | Gemini | Gemini | — |
| License | Proprietary | Proprietary | — |
| Open weights | No | No | — |
| Release | May 14, 2024 | Sep 2, 2026 | — |
| Knowledge cutoff | - | 2026-03 | — |
| API / provider | — | ||
| Modalities | text, image, audio, video → text | text, image, audio, video → text | — |
| Specs | |||
| Context window | 1M | 1.0M | B +49K |
| Max output | 8K | 66K | B +57K |
| Parameters | — | — | — |
| Pricing | |||
| Input $/1M | $0.07 | $0.75 | A +$0.68 |
| Output $/1M | $0.30 | $3.75 | A +$3.45 |
| Blended $/1M (3∶1) | $0.13 | $1.50 | A +$1.37 |
| Speed | |||
| tok/s | 150 | - | — |
| TTFT (s) | 0.25 | - | — |
| Reasoning | |||
| MMLU-Pro | — | — | — |
| GPQA Diamond | 46.3 | 95.3 | B +49.0 pts |
| Humanity's Last Exam | 3.2 | 47.8 | B +44.6 pts |
| AIME 2025 | — | — | — |
| MATH-500 | — | — | — |
| Humanity's Last Exam (with tools) | — | — | — |
| AA-Omniscience Accuracy | — | 54.6 | — |
| AA-LCR v1.1 | — | 81.3 | — |
| CritPt | — | 18.3 | — |
| MMMU-Pro | 48.4 | 85.6 | B +37.2 pts |
| IFBench | — | — | — |
| Chartography | — | — | — |
| Chartography (With Tools) | — | — | — |
| Coding | |||
| SWE-bench Verified | — | — | — |
| SWE-bench Pro | — | — | — |
| SWE-bench Multilingual | — | — | — |
| LiveCodeBench | — | — | — |
| Terminal-Bench 2.1 | — | 87.6 | — |
| Aider Polyglot | — | — | — |
| Terminal-Bench 3 | — | — | — |
| BigCodeBench | — | — | — |
| SciCode | 26.7 | 56.6 | B +29.9 pts |
| CursorBench | — | 69.2 | — |
| SWE-Rebench | — | — | — |
| NL2Repo-Bench | — | — | — |
| DeepSWE | — | 73.7 | — |
| WebDev Arena | — | 1,567 | — |
| Terminal-Bench 4.0 | — | 19.1 | — |
| CursorBench 4.0 | — | — | — |
| FrontierCode v1.1 (Main) | — | — | — |
| Arena | |||
| LMArena Elo | — | 1,493 | — |
Gemini 1.5 Flash
- Context
- 1M / 8K out
- Parameters
- —
- Price
- $0.07 / $0.30
- Speed
- 150 tok/s · 0.25s TTFT
- Modalities
- text, image, audio, video → text
- License
- Proprietary
Fast, cheap Gemini 1.5 workhorse — default for high-volume multimodal apps through 2024–25.
Gemini 3.8 Flash
- Context
- 1.0M / 66K out
- Parameters
- —
- Price
- $0.75 / $3.75
- Speed
- —
- Modalities
- text, image, audio, video → text
- License
- Proprietary
Google's Sep 2, 2026 Flash update over 3.7 Flash - gains on long-horizon software engineering, agentic knowledge work, and computer use; introductory $0.75/$3.75 through Dec 31, 2026 (then $1.50/$7.50).
Benchmark charts
Winner bars are emphasized. Per-benchmark deltas sit above each chart.