Updated September 28, 2026 · DeployCue Editorial Team
AI21 Labs vs AssemblyAI
Compare AI21 Labs and AssemblyAI using recorded catalog facts and pricing.
Where AI21 Labs and AssemblyAI differ
| Fact | AI21 Labs | AssemblyAI |
|---|---|---|
| Input price from | $0.20 | $0.050 to $10Lower |
| Output price from | $0.40 | $0.20 to $50Lower |
| Models offered | Jamba Large, Jamba Mini, Jamba 3B | Haiku 4.5, Opus 4.5, Opus 4.6, Opus 4.7, Opus 4.8, Opus 5, Opus 5.5, Sonnet 4.5, Sonnet 4.6, Sonnet 5, DeepSeek V4.1 Flash, Gemini 2.5 Flash, Gemini 2.5 Flash Lite, Gemini 2.5 Pro, Gemini 3.1 Flash Lite, Gemini 3.5 Flash, Gemini 3.5 Flash Lite, Gemini 3.6 Flash, Gemini 3.7 Flash, Gemini 3.8 Flash, Gemma 4 31b, Minimax M3, Kimi K3, Nemotron 3 Nano 30B A3B, Nemotron 3 Super 120B A12B, Nemotron Lightning 3.5 30B A3B, Nemotron Nano 9B v2, GPT OSS 120B, GPT OSS 20B, GPT 4.1, GPT 5, GPT 5 Nano, GPT 5 mini, GPT 5.1, GPT 5.2, GPT 5.5, GPT 5.6 Luna, GPT 5.6 Sol, GPT 5.6 Terra, GPT 6 Astra, GPT 6 Luna, GPT 6 Sol, Qwen3 32B, Qwen3 Next 80B A3B, Qwen3.5 4B Fast, GLM 5.3, GLM 5.3 Flash |
| Largest context window | 256,000 | 1,048,576Higher |
| Free credits | $10 credits for 7 days | $50 in free credits on signup, no credit card required |
| Compliance certifications | SOC 2, ISO 27001, ISO 27017, ISO 27018 | SOC 2 Type 2, ISO 27001, PCI DSS |
| OpenAI-compatible API | Not confirmed | Yes |
Key differences
- AssemblyAI scores higher overall: 9.30 vs 8.80.
- Input price from is lower at AssemblyAI: $0.050 to $10 vs $0.20.
- Output price from is lower at AssemblyAI: $0.20 to $50 vs $0.40.
- Models offered: only AI21 Labs offers Jamba Large, Jamba Mini, Jamba 3B.
- Models offered: only AssemblyAI offers Haiku 4.5, Opus 4.5, Opus 4.6.
- Largest context window is higher at AssemblyAI: 1,048,576 vs 256,000.
- Support channels: only AssemblyAI offers Chat.
- Compliance certifications: only AI21 Labs offers SOC 2, ISO 27017, ISO 27018.
- Compliance certifications: only AssemblyAI offers SOC 2 Type 2, PCI DSS.
Score breakdown
| Area | AI21 Labs | AssemblyAI |
|---|---|---|
| Cost | 8.80Input starts at $0.20 and output at $0.40, above the €0.08 median. | 9.30Higher |
| Offer | 8.70The catalogue is Jamba Large, Jamba Mini and Jamba 3B, with no image or embedding models listed beside them. | 9.60Higher |
| Trust | 9.00Higher | 8.60 |
Cost in a real example
10M input and 2M output tokens, cheapest model
AI21 Labs
$2.80
10 × $0.20 + 2 × $0.40
AssemblyAI
$0.90 to $200
10 × $0.05 to $10 + 2 × $0.20 to $50
AssemblyAI costs $1.90 less.
Worked out from the stated prices and rates; your own total depends on how you use it.
How the counts compare
| Fact | AI21 Labs | AssemblyAI |
|---|---|---|
| Input price from | $0.20 | $0.050 to $10 |
| Output price from | $0.40 | $0.20 to $50 |
| Largest context window | 256,000 | 1,048,576 |
Which one suits you
Pick AI21 Labs if trust matter most.
Pick AssemblyAI if cost, offer, input price from, output price from, and largest context window matter most.
Where each is licensed and available
| Country | AI21 Labs | AssemblyAI |
|---|---|---|
| Headquarters | Israel | United States |
Every fact side by side
| Fact | AI21 Labs | AssemblyAI |
|---|---|---|
| Legal entity | AI21 Labs Ltd. | AssemblyAI, Inc. |
| Headquarters | Israel | United States |
| Support channels | Email, Help centre, Community | Email, Chat, Help centre, CommunityCovers more |
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