Gemini 3.8 Flash vs Claude Haiku 5.5
Gemini 3.8 Flash costs $0.75 / $3.75 and Claude Haiku 5.5 costs $0.10 / $0.50 per million input / output tokens. At a typical 3:1 mix, Claude Haiku 5.5 is 7.5× cheaper than Gemini 3.8 Flash.
Input
$0.75
per 1M
Output
$3.75
per 1M
Cached
$0.075
1M context
7.5× cheaperInput
$0.10
per 1M
Output
$0.50
per 1M
Cached
$0.010
1M context
Side by side
Green marks the cheaper price, larger context window, bigger discount or higher score.
| Detail | Gemini 3.8 Flash | Claude Haiku 5.5 |
|---|---|---|
| Input per 1M | $0.75 | $0.10 |
| Output per 1M | $3.75 | $0.50 |
| Blended per 1M (3:1) | $1.50 | $0.20 |
| Cached input per 1M | $0.075 | $0.010 |
| Batch or off-peak discount | 50% (batch) | 50% (batch) |
| Long prompts | Same rate at any length | Over 100K: $0.50 / $2.50 |
| Context window | 1M | 1M |
| Released | 2 Sep 2026 | 7 Oct 2026 |
| Open weights | No | No |
| Arena text score | 1492 | — |
| Verified | 13 Oct 2026 | 13 Oct 2026 |
Sources: Gemini API pricing and Anthropic pricing.
Monthly cost on three workloads
List prices, no batch discount. The cached share applies where a model has a cache rate.
| Workload | Gemini 3.8 Flash | Claude Haiku 5.5 | Difference |
|---|---|---|---|
| Customer chat assistant50,000 conversations a month, about 2,000 tokens in and 400 out each; 50% cached | $116 | $15.50 | $101 |
| Document Q&A (RAG)20,000 questions a month over retrieved documents, 12,000 in and 600 out; 30% cached | $176 | $23.52 | $153 |
| Coding agent400 tasks a month, 40 steps each with a growing context; 85% cached | $162 | $21.63 | $141 |
How they differ
- Claude Haiku 5.5 is cheaper on input ($0.10 vs $0.75).
- Claude Haiku 5.5 is cheaper on output ($0.50 vs $3.75), which matters most for long answers and reasoning models.
- Gemini 3.8 Flash accepts longer prompts (1M vs 1M tokens).
- Cached input is cheaper on Claude Haiku 5.5 ($0.01 vs $0.075), which favours agents and chat apps that resend the same context.
Recent changes
All changes- ▼ 90%Claude Haiku 5.5 replaced Haiku 4.5 at $0.10 / $0.50 per 1M tokens for prompts up to 100K, 90% cheaper per token.
$1 / $5→ $0.10 / $0.50 - Google launched Gemini 3.8 Flash at $0.75 / $3.75 until 31 December, then $1.50 / $7.50.
- Google launched Gemini 3.7 Flash at $0.75 / $3.75.
- ▼ 50%Google launched Gemini 3.6 Flash at $0.75 / $3.75, half the price of 3.5 Flash, and Gemini 3.5 Flash-Lite at $0.30 / $2.50.
$1.50 / $9→ $0.75 / $3.75 - Google launched Gemini 3.5 Flash at $1.50 / $9.
