Claude Haiku 5.5 vs Gemini 3.8 Flash
Short answer
Claude Haiku 5.5 is about 8x cheaper than Gemini 3.8 Flash for a typical 3:1 input-to-output token mix ($0.20 vs $1.50 per 1M tokens). Gemini 3.8 Flash scores higher on ARC-AGI-2 (89.2% vs 61.3%).
Prices updated Nov 13, 2026 (APIpulse, CC BY 4.0) · Benchmarks: ARC Prize, Vals.ai · all models
| Claude Haiku 5.5cheaper | Gemini 3.8 Flash | |
|---|---|---|
| Provider | Anthropic | |
| Input / 1M tokens | $0.10 | $0.75 |
| Output / 1M tokens | $0.50 | $3.75 |
| Blended (3:1) / 1M | $0.20 | $1.50 |
| Context window | 1M | 1M |
| ARC-AGI-2 | 61.3% (XHigh) | 89.2% (High) |
| SWE-bench Verified | — | 80% |
API cost calculator
Enter your monthly usage in millions of tokens (1M tokens ≈ 750,000 words).
Standard rates; batch processing and prompt caching can lower the bill.
Frequently asked questions
Which is cheaper, Claude Haiku 5.5 or Gemini 3.8 Flash?
Claude Haiku 5.5 is about 8x cheaper than Gemini 3.8 Flash for a typical 3:1 input-to-output token mix ($0.20 vs $1.50 per 1M tokens).
How much do Claude Haiku 5.5 and Gemini 3.8 Flash cost per month?
For 10M input and 2M output tokens a month: Claude Haiku 5.5 costs $2 and Gemini 3.8 Flash costs $15.
More: Claude Haiku 5.5 pricing · Gemini 3.8 Flash pricing · all API prices
Benchmarks updated Nov 15, 2026.