Gemini 3.8 Flash vs Claude Haiku 4.5
Gemini 3.8 Flash costs $0.75 / $3.75 and Claude Haiku 4.5 costs $1.00 / $5.00 per million input / output tokens. At a typical 3:1 mix, Gemini 3.8 Flash is 1.3× cheaper than Claude Haiku 4.5.
Input
$0.75
per 1M
Output
$3.75
per 1M
Cached
$0.075
1M context
Claude Haiku 4.5
Anthropic
Input
$1.00
per 1M
Output
$5.00
per 1M
Cached
$0.10
200K context
Side by side
Green marks the cheaper price, larger context window, bigger discount or higher score.
| Detail | Gemini 3.8 Flash | Claude Haiku 4.5 |
|---|---|---|
| Input per 1M | $0.75 | $1.00 |
| Output per 1M | $3.75 | $5.00 |
| Blended per 1M (3:1) | $1.50 | $2.00 |
| Cached input per 1M | $0.075 | $0.10 |
| Batch or off-peak discount | 50% (batch) | 50% (batch) |
| Long prompts | Same rate at any length | Same rate at any length |
| Context window | 1M | 200K |
| Released | 2 Sep 2026 | 15 Oct 2025 |
| Open weights | No | No |
| Arena text score | 1492 | — |
| Verified | 27 Sep 2026 | 27 Sep 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 4.5 | Difference |
|---|---|---|---|
| Customer chat assistant50,000 conversations a month, about 2,000 tokens in and 400 out each; 50% cached | $116 | $155 | $38.75 |
| Document Q&A (RAG)20,000 questions a month over retrieved documents, 12,000 in and 600 out; 30% cached | $176 | $235 | $58.80 |
| Coding agent400 tasks a month, 40 steps each with a growing context; 85% cached | $162 | $216 | $54.06 |
How they differ
- Gemini 3.8 Flash is cheaper on input ($0.75 vs $1).
- Gemini 3.8 Flash is cheaper on output ($3.75 vs $5), which matters most for long answers and reasoning models.
- Gemini 3.8 Flash accepts longer prompts (1M vs 200K tokens).
- Cached input is cheaper on Gemini 3.8 Flash ($0.075 vs $0.10), which favours agents and chat apps that resend the same context.
Recent changes
All changes- 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.
- Google launched Gemini 3.5 Flash at $1.50 / $9.
