vs
6:0
overall capability wins (1 ties across 7 scored). Gemini 3.8 Flash leads overall.
- Reasoning2:0
- Coding2:0
- Arena1:0
- Pricing3:0
- Specs1:0
Verdict
Gemini 3.8 Flash leads coding (widest gap: +128.2 on WebDev Elo); Gemini 3.8 Flash ranks higher on LMArena (+8 Elo); Gemini 3.8 Flash offers larger context (1.0M vs 1M).
- Gemini 3.8 Flash leads coding (widest gap: +128.2 on WebDev Elo)
- Gemini 3.8 Flash ranks higher on LMArena (+8 Elo)
- Gemini 3.8 Flash offers larger context (1.0M vs 1M)
- Gemini 3.8 Flash is ~3.0x cheaper on a blended token basis than Gemini 3 Pro
Cost for 1M in + 250K out
Illustrative chat workload at primary-provider list prices.
- Gemini 3.8 Flash
- $1.69
- Gemini 3 Pro
- $5
Gemini 3.8 Flash is about 3.0x cheaper on this workload.
Price per 1M tokens
Full comparison
Organization
Family
Gemini
Gemini
License
Proprietary
Proprietary
Open weights
No
No
Release
Sep 2, 2026
Nov 18, 2025
Knowledge cutoff
2026-03
-
API / provider
Modalities
text, image, audio, video → text
text, image, audio, video → text
Specs
Context window
1.0M
1M
Max output
66K
66K
Parameters
—
—
Pricing
Input $/1M
$0.75
$2
Output $/1M
$3.75
$12
Blended $/1M (3∶1)
$1.50
$4.50
Speed
tok/s
-
120
TTFT (s)
-
0.45
Reasoning
MMLU-Pro
—
—
GPQA Diamond
95.3
91.9
Humanity's Last Exam
47.8
37.5
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
85.6
—
IFBench
—
—
Chartography
—
—
Chartography (With Tools)
—
—
Coding
SWE-bench Verified
—
69.6
SWE-bench Pro
—
—
SWE-bench Multilingual
—
68.7
LiveCodeBench
—
—
Terminal-Bench 2.1
87.6
73.9
Aider Polyglot
—
—
Terminal-Bench 3
—
—
BigCodeBench
—
—
SciCode
56.6
—
CursorBench
69.2
—
SWE-Rebench
—
50.7
NL2Repo-Bench
—
—
DeepSWE
73.7
—
WebDev Arena
1,567
1,439
Terminal-Bench 4.0
19.1
—
CursorBench 4.0
—
—
FrontierCode v1.1 (Main)
—
—
Arena
LMArena Elo
1,493
1,486
| Metric | Gemini 3.8 Flash | Gemini 3 Pro | Delta |
|---|---|---|---|
| Identity | |||
| Organization | — | ||
| Family | Gemini | Gemini | — |
| License | Proprietary | Proprietary | — |
| Open weights | No | No | — |
| Release | Sep 2, 2026 | Nov 18, 2025 | — |
| Knowledge cutoff | 2026-03 | - | — |
| API / provider | — | ||
| Modalities | text, image, audio, video → text | text, image, audio, video → text | — |
| Specs | |||
| Context window | 1.0M | 1M | A +49K |
| Max output | 66K | 66K | tie |
| Parameters | — | — | — |
| Pricing | |||
| Input $/1M | $0.75 | $2 | A +$1.25 |
| Output $/1M | $3.75 | $12 | A +$8.25 |
| Blended $/1M (3∶1) | $1.50 | $4.50 | A +$3 |
| Speed | |||
| tok/s | - | 120 | — |
| TTFT (s) | - | 0.45 | — |
| Reasoning | |||
| MMLU-Pro | — | — | — |
| GPQA Diamond | 95.3 | 91.9 | A +3.4 pts |
| Humanity's Last Exam | 47.8 | 37.5 | A +10.3 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 | 85.6 | — | — |
| IFBench | — | — | — |
| Chartography | — | — | — |
| Chartography (With Tools) | — | — | — |
| Coding | |||
| SWE-bench Verified | — | 69.6 | — |
| SWE-bench Pro | — | — | — |
| SWE-bench Multilingual | — | 68.7 | — |
| LiveCodeBench | — | — | — |
| Terminal-Bench 2.1 | 87.6 | 73.9 | A +13.7 pts |
| Aider Polyglot | — | — | — |
| Terminal-Bench 3 | — | — | — |
| BigCodeBench | — | — | — |
| SciCode | 56.6 | — | — |
| CursorBench | 69.2 | — | — |
| SWE-Rebench | — | 50.7 | — |
| NL2Repo-Bench | — | — | — |
| DeepSWE | 73.7 | — | — |
| WebDev Arena | 1,567 | 1,439 | A +128 Elo |
| Terminal-Bench 4.0 | 19.1 | — | — |
| CursorBench 4.0 | — | — | — |
| FrontierCode v1.1 (Main) | — | — | — |
| Arena | |||
| LMArena Elo | 1,493 | 1,486 | A +8 Elo |
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).
Gemini 3 Pro
- Context
- 1M / 66K out
- Parameters
- —
- Price
- $2 / $12
- Speed
- 120 tok/s · 0.45s TTFT
- Modalities
- text, image, audio, video → text
- License
- Proprietary
Gemini 3 Pro preview (Nov 2025); superseded by Gemini 3.1 Pro but still listed in deprecation docs.
Benchmark charts
Winner bars are emphasized. Per-benchmark deltas sit above each chart.