Gemini 3.8 Flash

Best for

Cost-sensitive teams that need agentic software engineering plus a free experimentation tier

Price & access

Standard $0.75 in / $3.75 out per 1M through Dec 31, 2026, then $1.50/$7.50 from Jan 1, 2027; Batch and Flex $0.375/$1.875; Priority $1.35/$6.75; caching $0.075 plus $0.50 per 1M tokens/hour storage

Evidence summary

Pricing, GA date and lifecycle are first-party Google. Context window comes only from Artificial Analysis, modalities are unstated, and the coding numbers come from OpenAI's comparison table rather than Google.

Edition status

No prior snapshot. Tracked in the September 2026 baseline.

Strengths

• DeepSWE v1.1 73.8% is second-highest in OpenAI's own cross-vendor table, above Claude Fable 5.1 (67.4%)
• $0.75/$3.75 promotional pricing plus a real free tier
• Design Arena Website 1301 is the strongest of any sub-$1 input-price model except its own siblings
• Cyber sibling shows unusually strong vulnerability-patching evidence

Tradeoffs

• Terminal-Bench 4.0 19.1% in OpenAI's table is far behind frontier agentic scores
• Arena frontend Elo (1569) sits below the older Gemini 3.7 Flash (1592)
• Google does not publish context window, max output or modalities on the model or pricing pages
• AA has no output-speed measurement yet