Google Gemini model

Gemini 3.5 Flash

Gemini 3.5 Flash

Provider
Google Gemini
Availability
Deprecated
Model ID
gemini-3.5-flash
Snapshot
2026-10-07
Evaluation Verdict

Gemini 3.5 Flash delivers 63.8% on SWE-bench Verified combining lightning-fast AST indexing with proven long-context stability across 1M tokens.

Gemini 3.5 Flash Benchmarks & Agentic Accuracy

Verified primary research & developer preference metrics

Primary Sources Verified
SWE-bench Verified
63.8%
Thinking (Low)Google DeepMind Report ↗
LiveCodeBench
47%
ThinkingLiveCodeBench ↗
LMSYS Coding Elo
1345Elo
Coding ArenaLMSYS Arena ↗
AIME 2024 / 2025
74.5%
ThinkingGoogle DeepMind Report ↗
Pricing ($ / 1M tokens)
$0.15/ $0.6
$0.025 cached readStandard API Pricing

What This Means in Real Software Development

  • High throughput provides instant feedback in CLI and TUI sessions.
  • Solid 63.8% SWE-bench Verified score at ultra-low $0.15/M token pricing.
  • High reliability for symbol grep, multi-file edits, and automated unit test runs.
  • Full 1M token context window preserves build logs without truncation.

Swarm Multi-Agent Topology

Tier 3: Rapid Subagent WorkerRole: Finder Subagent

Best Paired With: Claude 3.7 Sonnet as Lead Planner

High throughput and low cost make it ideal for repository indexing, AST search, and fast unit test runs.

Git Worktree Isolation Advantage:

Executes parallel discovery jobs across multiple worktrees concurrently.

What Developers & Practitioners Are Saying

Real-world field observations, production strengths, and developer consensus

Field Consensus

"Early high-speed Flash checkpoint that demonstrated the viability of sub-$0.10/M tokens for agentic workflows."

Verified Real-World Strengths

  • Extremely low cost and fast generation speed
  • Good basic language and syntax translation

Production Caveats & Gaps

  • Lower SWE-bench score (35.0%) than modern 3.8 Flash
Benchmark Reality Check

What the benchmark tests: Measures basic coding comprehension and fast response times.

Production caveat: Superseded by Gemini 3.8 Flash for active engineering work.

Primary Sources & Methodology Citations

Gemini 3.5 Flash model overview

Gemini 3.5 Flash is listed in the public Swarm catalog through Google Gemini. This page summarizes the verified catalog fields used by Swarm without claiming real-time access for every provider account.

Provider
Google Gemini
Family
Gemini
Context window
1.05M tokens
Thinking support
low · medium · high
Availability status
Deprecated
Catalog ID
google/gemini-3.5-flash
  • Audio input
  • File input
  • Image input
  • Text input
  • Video input
  • Text output
  • Reasoning
  • Batch
  • Deprecated

Run Gemini 3.5 Flash in Swarm

Verified CLI workflow & multi-agent architecture

Quickstart Guide →
bash — swarm run
$swarm ctl model set --provider google --model google/gemini-3.5-flash

# Or switch interactively inside the terminal TUI:

>/models

Subagent Role Matrix

Assign Gemini 3.5 Flash to specialized system roles in ~/.swarm/config.json:

  • Primary / Planner: Orchestrates full task DAGs and multi-stage pipelines.
  • Coder Subagent: Generates code and unit tests inside private Git worktrees.
  • Finder Subagent: Performs read-only code search, symbol discovery, and mapping.
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Public catalog snapshot. Catalog availability is not a real-time provider status or an access guarantee.