Fireworks AI
Fast open-weight inference with strong structured-output support
Overall in llm apis
6of 18 · score 66.2
Data coverage
85%
23 of 27 fields sourced
Best for
- •Open-weight workloads where output must validate against a schema every time
- •Latency-sensitive serving without moving to custom silicon
- •Fine-tuned open models served on managed infrastructure
Strong on
- +Zero retention Yes 1/18
- +$/M output $0.05/M tok 1/13
- +$/M input $0.1/M tok 2/13
- +$/M cache read $0.05/M tok 2/12
Weak on
- −Notice period 14 days 6/7Better: Anthropic: 180 days
- −Effort control No 12/18Better: Anthropic: Yes
- −Tool use Partial 13/18Better: Anthropic: Yes
vs Groq
- •Ahead on Schema output: Yes vs Partial
- •Ahead on Pinnable versions: Yes vs Partial
- •Behind on $/M input: $0.1/M tok vs $0.05/M tok
How Fireworks AI scores among 18 llm apis23 of 27 fields known
Capability7
Flagship model
Open-weight catalogue, DeepSeek, Kimi K2, Qwen3, Llama 4
docs.fireworks.ai · 2026-01-15
Context window
—
Max output
—
Image input
Partial
10/18
Leader: Anthropic · Yes
· 2026-01-15
Audio in/out1st
Partial
1/18
· 2026-01-15
Open weights1st
Yes
1/18
· 2026-01-15
Performance2
TTFT p50
—
Output tok/s
—
Pricing4
Agentic6
Tool use
Partial
13/18
Leader: Anthropic · Yes
· 2026-01-15
Effort control
No
12/18
Leader: Anthropic · Yes
· 2026-01-15
Computer use
No
5/18
Leader: Anthropic · Yes
· 2026-01-15
MCP support
No
6/18
Leader: Anthropic · Yes
· 2026-01-15
Cache TTL
Automatic; cached prompts stay at least several minutes, up to several hours depending on model and load; oldest evicted first
docs.fireworks.ai · 2026-11-07
Governance & continuity6
Continuity policy
Same shape as Together: a published deprecations list, serverless models retired on weeks of notice when demand falls, and dedicated deployments as the stable option. Open weights throughout mean no retirement is terminal, only inconvenient.
· 2026-01-15
Pinnable versions1st
Yes
1/18
· 2026-01-15
Trains on your data
No
7/18
Leader: DeepSeek · Yes
· 2026-01-15
AU region
No
9/18
Leader: Google Gemini · Yes
· 2026-01-15
Traction1
API since3rd
2023
3/18
Leader: OpenAI · 2020
Positioning1
Positioning
Low-latency open-weight inference with strict structured output
Alternatives8
Qwen
Amazon Bedrock
Anthropic
Cerebras
Cohere
DeepSeek
Google Gemini
GroqCompare
Sources8
- fireworks.ai/pricing3 fields
- docs.fireworks.ai/models/overview1 field
- docs.fireworks.ai/tools-sdks/openai-compatibility1 field
- docs.fireworks.ai/guides/batch-inference1 field
- docs.fireworks.ai/structured-responses/structured-response-formatting1 field
- docs.fireworks.ai/guides/prompt-caching1 field
- docs.fireworks.ai/faq-new/deployment-infrastructure/do-you-provide-notice-before-removing-1 field
- docs.fireworks.ai/guides/security_compliance/data_handling1 field