Google's I/O 2026 headliner — a Flash-tier model that beats Gemini 3.1 Pro on agentic and coding benchmarks while running roughly 4x faster than comparable frontier models.
Verdict
Excellent fast agentic model, superseded by Gemini 3.6 Flash.
Quality score
89%
Pricing
$1.50/1M in
$9.00/1M out
Speed
Fast
Best for fast agentic coding and autonomous task execution
Context
1.0M tokens
Released at Google I/O, May 19, 2026. Batch API half price; context caching $0.15/1M. 65,536-token output limit.
Google's efficiency-focused successor to 3.5 Flash — higher scores on every benchmark Google tested, ~17% fewer output tokens, and cheaper output pricing.
Verdict
Best Gemini for agents — efficiency king with native computer use.
Quality score
90%
Pricing
$1.50/1M in
$7.50/1M out
Speed
Fast
Best for cost-efficient long-horizon agents and computer use
Context
1.0M tokens
Released July 21, 2026 alongside 3.5 Flash-Lite and the gated 3.5 Flash Cyber. Knowledge cutoff March 2026. Batch $0.75/$3.75; cached input $0.15/1M.
AgenticComputer useEfficientMultimodal1M context
Best for
Cost-efficient long-horizon agents and computer use
OpenAI's latest agentic flagship for coding, research, computer-use workflows, and long multi-step knowledge work.
Verdict
Best OpenAI flagship for agentic coding, research, and computer-use work.
Quality score
94%
Pricing
$5.00/1M in
$30.00/1M out
Speed
Balanced
Best for agentic coding, computer-use workflows, and complex research tasks
Context
1M tokens
Ranked from public benchmark and pricing data verified April 26, 2026: SWE-Bench Pro 58.6%, Terminal-Bench 2.0 82.7%, $5/$30 per 1M tokens, 1M API context.
AgenticCodingComputer useLong contextPremium
Best for
Agentic coding, computer-use workflows, and complex research tasks
Gemini 3.1 Pro is best for research, deep document analysis, and long-context reasoning at competitive pricing. It is a strong fit when that workflow matters more than the tradeoffs around premium pricing and balanced speed.
When should I avoid Gemini 3.1 Pro?
Your primary use case is writing quality or agentic coding — Claude wins both.
What is a cheaper alternative to Gemini 3.1 Pro?
GPT-5.6 Terra is the lower-cost option to compare first when you want a similar workflow fit with less token spend.
What is a faster alternative to Gemini 3.1 Pro?
Gemini 3.5 Flash is the better pick when response time matters more than maximum depth or premium quality.
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