Gemini 3.1 ProvsQwen3.8-Flash-Next

Gemini 3.1 Pro
Qwen3.8-Flash-Next
Specifications
Parameters
125B
Context window
262k
API pricing
Input price
$2.00
Output price
$12.00
Cached input price
$0.20
Benchmarks
SWE-Bench Pro
54.2%62.5%
DeepSWE 1.1
12%58.7%
Humanity's Last Exam · no tools
44.4%35.9%
GPQA Diamond
94.3%91.7%
CharXiv Reasoning
83.3%84.6%
Benchmarks
BullshitBench v2
37%
Gray Swan IPI · k = 1
14.2%
Gray Swan IPI · k = 10
45.7%
Gray Swan IPI · k = 15
49.2%
SWE-Bench Verified
80.6%
SWE-Bench Multilingual
81%
MLE-Bench
42.6%
Next.js Evals
75%
NL2Repo-Bench
48.1%
LiveCodeBench
91.9%
Terminal-Bench 2.1
70.3%
Terminal-Bench 2.0
68.5%
MCP Atlas
78.2%
JobBench
55.7%
CoWorkBench
73.9%
Toolathlon-Verified
73.5%
Toolathlon
48.8%
BrowseComp
85.9%
Humanity's Last Exam · with tools
51.4%
ARC-AGI-2
77.1%
FrontierMath · Tier 1–3
36.9%
FrontierMath · Tier 4
16.7%
IFBench
81.3%
OSWorld 2.0
19.4%
OSWorld-Verified
76.2%
Agent's Last Exam · pass@1
24.3%
Agent's Last Exam · score
51.2%
Finance Agent v2
43%
GDPval-AA
1314
GDPval-AA v2
965
GDPval (win/tie rate)
67.3%
LVBench
76.6%
MMMU-Pro
80.5%
Blueprint-Bench 2
26.5%
MRCR v2 (8-needle) · 128k average
84.9%
MRCR v2 (8-needle) · 1M pointwise
26.3%
Overview
CompanyGoogleQwen
Release dateFeb 19 2026Aug 26 2026
AccessProprietaryOpen Weight

Other comparisons

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Frequently asked questions

Qwen3.8-Flash-Next leads Gemini 3.1 Pro on 3 of the 5 benchmarks they both report. Only Gemini 3.1 Pro has a verified first-party API price: $2.00 per million input tokens and $12.00 per million output tokens. No pay-as-you-go API rate is tracked for Qwen3.8-Flash-Next. Gemini 3.1 Pro shipped 188 days before Qwen3.8-Flash-Next, so benchmark comparisons should account for the intervening progress.

Gemini 3.1 Pro is proprietary, while Qwen3.8-Flash-Next is open weight.

On SWE-Bench Pro, Qwen3.8-Flash-Next leads at 62.5% vs Gemini 3.1 Pro at 54.2%. On DeepSWE 1.1, Qwen3.8-Flash-Next leads at 58.7% vs Gemini 3.1 Pro at 12%. On Humanity's Last Exam · no tools, Gemini 3.1 Pro leads at 44.4% vs Qwen3.8-Flash-Next at 35.9%. On GPQA Diamond, Gemini 3.1 Pro leads at 94.3% vs Qwen3.8-Flash-Next at 91.7%. On CharXiv Reasoning, Qwen3.8-Flash-Next leads at 84.6% vs Gemini 3.1 Pro at 83.3%.

Gemini 3.1 Pro was released by Google on Feb 19 2026.

Qwen3.8-Flash-Next was released by Qwen on Aug 26 2026.

Qwen3.8-Flash-Next leads on SWE-Bench Pro — Gemini 3.1 Pro 54.2% vs Qwen3.8-Flash-Next 62.5%.

Gemini 3.1 Pro leads on Humanity's Last Exam · no tools — Gemini 3.1 Pro 44.4% vs Qwen3.8-Flash-Next 35.9%.

Only Gemini 3.1 Pro has a verified first-party API price: $2.00 per million input tokens and $12.00 per million output tokens. No pay-as-you-go API rate is tracked for Qwen3.8-Flash-Next. Rates are pay-as-you-go API prices verified on August 18, 2026.

Gemini 3.1 Pro is a proprietary model released by Google. Qwen3.8-Flash-Next is an open weight model released by Qwen.