DeepInfra vs Fireworks AI: LLM API pricing compared
Updated 2026-11-10 · listed A to Z, not ranked
DeepInfra serves open models behind an OpenAI-compatible API. Language models are billed per token; some other models are billed by execution time. There are no long-term contracts.
Fireworks AI hosts open models behind a serverless API billed per token, with dedicated GPU deployments also available.
Listed A to Z, from deepinfra.com and fireworks.ai. Every figure below is quoted from those pages.
- Main price table
- DeepSeek-V4-Flash, Qwen3.8-Flash, gemma-4-31B-it-Ultra, DeepSeek-V4-Pro, GLM-5.3 (list price)
- Free option
- None in the published plan table
- Published prices
- DeepSeek-V4-Flash $0.09 in / $0.18 out, DeepSeek-V4-Pro $1.30 / $2.60, Qwen3.8-Flash $0.113 / $0.382.
- Main price table
- NVIDIA Nemotron 3.5 Lightning 30B A3B, OpenAI GPT OSS 120B, GLM 5.3 Flash, DeepSeek V4.1 Flash, MiniMax M3, Nemotron 3 Ultra, GLM 5.3, Qwen 3.8 Max, Kimi K3
- Free option
- None in the published plan table
- Published prices
- Fireworks AI serverless pricing per 1M tokens from $0.05 input; Batch 50% off, Spot 30% off Standard. Kimi, Qwen, GLM, DeepSeek rates.
How we checked: Prices quoted from each official pricing page: DeepInfra checked Nov 10, 2026, Fireworks AI checked Nov 10, 2026. Taxes, usage overages and promotions can change what you pay; confirm with each provider before you buy.
How they compare
- Main price table. DeepInfra lists 5 entries (DeepSeek-V4-Flash, Qwen3.8-Flash, gemma-4-31B-it-Ultra, DeepSeek-V4-Pro, GLM-5.3 (list price)); Fireworks AI lists 9 (NVIDIA Nemotron 3.5 Lightning 30B A3B, OpenAI GPT OSS 120B, GLM 5.3 Flash, DeepSeek V4.1 Flash, MiniMax M3, Nemotron 3 Ultra, GLM 5.3, Qwen 3.8 Max, Kimi K3).
- Free option. DeepInfra: none in the published plan table. Fireworks AI: none in the published plan table.
- How prices are quoted. DeepInfra: “Selected language models (per 1M tokens)”. Fireworks AI: “Serverless, Standard tier (per 1M tokens)”.
DeepInfra plans and prices
| Model | Input | Cached input | Output |
|---|---|---|---|
| DeepSeek-V4-Flash | $0.09 | $0.018 | $0.18 |
| Qwen3.8-Flash | $0.113 | $0.0141 | $0.382 |
| gemma-4-31B-it-Ultra | $0.27 | – | $0.76 |
| DeepSeek-V4-Pro | $1.30 | $0.10 | $2.60 |
| GLM-5.3 (list price) | $0.90 | $0.20 | $4.00 |
GLM-5.3 was shown at 38% off its list price ($0.5625 input, $2.50 output) on Nov 10. Discounts change; check the page.
From deepinfra.com, checked Nov 10, 2026. Full breakdown: DeepInfra pricing.
Fireworks AI plans and prices
| Model | Input | Cached input | Output |
|---|---|---|---|
| NVIDIA Nemotron 3.5 Lightning 30B A3B | $0.05 | $0.01 | $0.20 |
| OpenAI GPT OSS 120B | $0.15 | $0.015 | $0.60 |
| GLM 5.3 Flash | $0.15 | $0.03 | $0.50 |
| DeepSeek V4.1 Flash | $0.30 | $0.006 | $1.20 |
| MiniMax M3 | $0.30 | $0.06 | $1.20 |
| Nemotron 3 Ultra | $0.60 | $0.12 | $2.40 |
| GLM 5.3 | $1.40 | $0.26 | $4.40 |
| Qwen 3.8 Max | $2.00 | $0.25 | $6.00 |
| Kimi K3 | $3.00 | $0.30 | $15.00 |
Batch is 50% off and Spot is 30% off these Standard rates. Priority costs more; for example Kimi K3 Priority is $3.75 input, $0.375 cached and $18.75 output.
From fireworks.ai, checked Nov 10, 2026. Full breakdown: Fireworks AI pricing.
FAQ
How much does DeepInfra cost?
DeepSeek-V4-Flash $0.09 in / $0.18 out, DeepSeek-V4-Pro $1.30 / $2.60, Qwen3.8-Flash $0.113 / $0.382. (checked Nov 10, 2026).
How much does Fireworks AI cost?
Fireworks AI serverless pricing per 1M tokens from $0.05 input; Batch 50% off, Spot 30% off Standard. Kimi, Qwen, GLM, DeepSeek rates. (checked Nov 10, 2026).
Do DeepInfra and Fireworks AI have a free option?
DeepInfra: none in the published plan table. Fireworks AI: none in the published plan table.
Which is better, DeepInfra or Fireworks AI?
We do not pick a winner. The two price and package their products differently; the tables above quote each official pricing page so you can match a plan to your own usage.
Where do these prices come from?
Each vendor's own pricing page: deepinfra.com (checked Nov 10, 2026) and fireworks.ai (checked Nov 10, 2026). Prices change; confirm on the vendor's page before you buy.
Sources (official pages, read 2026-11-10)
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