ERNIE 5.5 Flash Preview API pricing
Official Baidu ERNIE list price, last checked Nov 14, 2026. Updated Nov 14, 2026.
ERNIE 5.5 Flash Preview costs $0.28 per 1M input tokens and $1.13 per 1M output tokens, cached input at $0.028, and a 1M-token context window, per Baidu ERNIE's official pricing page (checked Nov 14, 2026). It's priced in the middle of the pack: number 16 of 84 by blended price ($0.4925 per 1M tokens at a 3 to 1 input to output mix). LMArena doesn't list it on the boards we track, so we don't rank its quality. For less, look at Mistral Small 4 ($0.2625 blended).
ERNIE 5.5 Flash Preview price per million tokens
| ERNIE 5.5 Flash Preview price per million tokens | USD |
|---|---|
| Input | $0.28 |
| Cached input | $0.028 |
| Output | $1.13 |
| Blended, 3 parts input to 1 part output | $0.4925 |
| Context window | 1M tokens |
Official note from Baidu ERNIE: Preview released Nov 11, 2026. 280B total, 14B active parameters. Baidu says Apache 2.0 open weights are coming.
What ERNIE 5.5 Flash Preview costs for real work
List-price estimates for a month, no discounts. Our math, not a quote: change the token counts in the plan vs API calculator.
| Workload | Tokens a month | ERNIE 5.5 Flash Preview | DeepSeek V4.1 Flash | Mistral Small 4 |
|---|---|---|---|---|
| Light: a side project or personal assistant | 2M in, 0.5M out | $1.12 | $1.20 | $0.60 |
| Medium: a small team or one product feature | 20M in, 5M out | $11.25 | $12.00 | $6.00 |
| Heavy: a production app | 200M in, 50M out | $112 | $120 | $60.00 |
| Medium with 80% of input cached | 20M in (16M cached), 5M out | $7.22 | $7.30 | $3.84 |
How ERNIE 5.5 Flash Preview ranks on LMArena
It isn't on any LMArena board we track as of Nov 14, 2026. We don't estimate quality for unranked models. See the best model for each task for ranked options.
Closest rivals to ERNIE 5.5 Flash Preview
The models nearest in price, other makers first. Ranks are on LMArena, where we have them.
| Model | In / out | Blended | Verdict |
|---|---|---|---|
| DeepSeek V4.1 Flash | $0.30 / $1.20 | $0.525 | ERNIE 5.5 Flash Preview wins on price. Compare |
| MiniMax-M3 | $0.30 / $1.20 | $0.525 | ERNIE 5.5 Flash Preview wins on price. Compare |
| MiMo-V2.6 Pro | $0.435 / $0.87 | $0.5437 | ERNIE 5.5 Flash Preview wins on price. Compare |
| Step 3.7 Flash | $0.20 / $1.15 | $0.4375 | Step 3.7 Flash wins on price. Compare |
Cheaper alternatives to ERNIE 5.5 Flash Preview
At least 40% cheaper blended, cheapest at the bottom of the list we found.
| Model | In / out | Blended | Verdict |
|---|---|---|---|
| Mistral Small 4 | $0.15 / $0.60 | $0.2625 | Mistral Small 4 wins on price. Compare |
| MiniMax-M3.1 Flash | $0.15 / $0.60 | $0.2625 | MiniMax-M3.1 Flash wins on price. Compare |
| GLM-5.3 Flash | $0.15 / $0.50 | $0.2375 | GLM-5.3 Flash wins on price. Compare |
More from Baidu ERNIE
- ERNIE 4.5 Turbo$0.11 in, $0.45 out per 1M
- ERNIE 5.1$0.56 in, $2.53 out per 1M
- ERNIE 5.0$0.84 in, $3.38 out per 1M
FAQ
How much does the ERNIE 5.5 Flash Preview API cost per million tokens?
$0.28 per 1M input tokens and $1.13 per 1M output tokens, plus $0.028 per 1M for cached input, as of Nov 14, 2026. A typical 3 to 1 input to output mix works out to $0.4925 per 1M tokens.
Does ERNIE 5.5 Flash Preview charge more for long prompts?
Baidu ERNIE doesn't list a long-prompt surcharge for ERNIE 5.5 Flash Preview. Its pricing note says: Preview released Nov 11, 2026. 280B total, 14B active parameters. Baidu says Apache 2.0 open weights are coming.
Is ERNIE 5.5 Flash Preview cheaper than DeepSeek V4.1 Flash?
Yes. A medium month (20M input and 5M output tokens) costs $11.25 on ERNIE 5.5 Flash Preview and $12.00 on DeepSeek V4.1 Flash at list price.
How does ERNIE 5.5 Flash Preview rank on LMArena?
It isn't listed on the LMArena boards we track, so we show no quality rank rather than guess.
What is a cheaper alternative to ERNIE 5.5 Flash Preview?
Mistral Small 4 costs $0.15 in and $0.60 out per 1M tokens, about 1.9x less blended.
Where does this ERNIE 5.5 Flash Preview price come from?
From Baidu ERNIE's official pricing page, which we check every day. This page was last checked Nov 14, 2026.