AI Flash Report

Seedance 2.0 vs Gemini 3.1 Pro: Benchmarks, Pricing & Capabilities Compared

TL;DR — Seedance 2.0 wins for general use · Gemini 3.1 Pro wins for general use.

Seedance 2.0 ByteDance
Released
2026-02-10
Key features
  • Synchronized audio + video generation in one pass
  • Lip-sync in 8+ languages
  • 10-30x cheaper than Sora 2
Released
2026-02-19
Context window
2M tokens
Input price
$2.50 / Mtok
Output price
$10.00 / Mtok
Key features
  • 2x reasoning improvement
  • ARC-AGI-2 score of 77.1%
  • Enhanced multimodal understanding

Benchmark comparison

No benchmarks reported on both models.

Pricing comparison

Metric Seedance 2.0 Gemini 3.1 Pro
Input ($/Mtok) $2.50
Output ($/Mtok) $10.00
Cached input ($/Mtok) $0.25
Cost per 1M-token roundtrip (1M in + 1M out) $12.50

Context window & modalities

Attribute Seedance 2.0 Gemini 3.1 Pro
Context window 2M tokens
Input modalities text, image text, image, audio, video, PDF
Output modalities video text
Knowledge cutoff 2025-12 2025-12

Verdict by use case

Coding
Insufficient data
Basis: SWE-bench

No shared coding benchmark.

Reasoning
Insufficient data
Basis: GPQA / MMLU

No shared reasoning benchmark.

Math
Insufficient data
Basis: MATH / AIME

No shared math benchmark.

Long context
Insufficient data
Basis: Context window

Context window not reported.

Cost
Insufficient data
Basis: Input $/Mtok

Input pricing not reported on both.

Changelog & releases

Seedance 2.0
Released 2026-02-10
Gemini 3.1 Pro
Released 2026-02-19
Predecessor: google-gemini-3-pro
  • 2x reasoning score on ARC-AGI-2 vs Gemini 3 Pro
  • Context window expanded to 2M tokens
  • Deep Think mode enabled by default on the Pro tier
  • Lower latency on first-token despite larger context

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