Gemini 3.5 Pro
Google · Released May 2026
Google's pre-GA frontier model — now on its fourth postponement and 'months behind schedule' per Bloomberg. The 2M-token context, native multimodal pipeline, and Deep Think reasoning remain real capabilities, but no confirmed GA timeline exists. Coding capability is the core shortfall.
Is it right for you?
Good for
- Massive context workloads requiring 1M-2M tokens — whole codebase refactors, multi-document legal review, long-horizon research. 2M context is the largest of any production frontier model.
- Multimodal workflows combining text, images, audio, and video in a single request — Gemini's native multimodal pipeline is the strongest in the market.
- Google Workspace and Vertex AI ecosystem users — zero migration cost, native integration with Gmail, Docs, Sheets, and enterprise agent platform.
Not good for
- Autonomous coding agents — no official SWE-bench Pro or coding benchmarks published. Claude Fable 5 leads coding at 80.3% SWE-bench Pro. Wait for independent evaluations before deploying for agentic coding.
- Production deployments requiring stable, documented pricing — official API pricing has not been published. Third-party estimates range widely ($5-$15 input, $30-$60 output).
Pricing
Input
Not yet published
Output
Not yet published
Context
Est. $5-15/$30-60 per 1M. 2M ctx. Not GA.
Verdict history
Sources
- andrew.ooo — Gemini 3.5 Pro GA vs Claude Fable 5 vs GPT-5.6Jun 2026
- Google — Gemini 3.5 announcement (I/O 2026, official blog)Jun 2026
- Google — I/O 2026 keynote moments recap (official)Jun 2026
- Alphabet — Investor presentation June 2026 (Pro coming in June)Jun 2026
- Andrew OOO — Deep Think vs Extended ThinkingJun 2026
- Codersera — Gemini 3.5 Pro Launch GuideJun 2026
- GrowwingAssistant — Release date, specs, pricing (June 18, 2026)Jun 2026
- Tech Times — Gemini 3.5 Pro nears June launchJun 2026
- Google AI for Developers — Official pricing page (no 3.5 Pro yet)Jun 2026
- The AI Rankings — Specs and release status (mid-June 2026)Jun 2026
- FrankX.AI — Analysis before GAJun 2026
Verification log
- Pricing— No changes
Automated agent
- Pricing— No changes
Automated agent
- Status— Updated
Automated agent
Summary re-dated to Jul 7 2026: states GA slipped from June to July (per our own post), still pre-GA with no published pricing or independent benchmarks. Verdict stays pending; no sourced GA announcement with pricing found on WebSearch, so no rating resolution. Explicitly states what is awaited (GA + pricing + benchmarks).
- Pricing— No changes
Automated agent
- Pricing— No changes
Automated agent
Pricing unchanged: Not yet published. Pre-GA model delayed to July 2026. Not listed on Google AI pricing page.
- Pricing— No changes
Automated agent
- Pricing— No changes
Imported at launch
- Profile— No changes
Imported at launch