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Sixfinger
Sixfinger API

Free Claude API + 40 more models

Sixfinger API gives you free access to Claude Sonnet, Haiku, and 28+ other models through a single integration. Stream responses, enforce plan-based limits, and build coding assistants, support bots, and multilingual apps without switching providers.

Includes 13 Claude models — 4 free on all plans.
41 models 13 Claude models Streaming enabled Plan-safe limits Referral bonuses Single API key
Start Free Read Docs
4Plans available
41Models in top tier
3 RPMFree plan baseline throughput
50,000,000Plus monthly token capacity

Interactive Advisor

Plan Comparator

Set expected monthly volume and get the most cost-efficient plan.

Calculating...

Model Decision UI

Pick your workload profile and receive a model suggestion.

Choose options to see recommendation.

Token and Cost Simulator

Estimator

Forecast response cost and speed before deploying prompts.

Set values to compute estimates.

Build With Claude + Sixfinger

Production-style usage examples teams deploy on this API.

Claude coding assistant

Claude Opus/Sonnet for complex code generation with streaming.

Support desk copilot

Low-latency Claude Haiku for multilingual support.

Content production

Claude Fable for creative writing and summarization at scale.

Why teams choose Sixfinger API

Free Claude Access

13 Claude models including Sonnet, Haiku, Opus, and Fable — 4 free on all plans.

Fast Start

Even free tier includes streaming and multiple model options for fast prototyping.

Predictable Limits

Per-minute, hourly, and monthly controls are clear and predictable.

Model Flexibility

Claude for coding, Llama for general chat, Qwen for Turkish — pick the right tool.

Operational Safety

Native usage stats endpoint and account-level keys for safer operations.

Growth Bonus

Referral bonuses increase monthly capacity without integration changes.

Plan and pricing

Free
22 models
$0 USD / month
RPM3
RPH60
  • 200 requests/month
  • 20,000 tokens/month
  • Max 100 tokens/request
  • Streaming: enabled
llama-8b-instant allam-2-7b step-3.5-flash nemotron-3-super-120b-a12b glm-46 deepseek-v4-flash-free +16 more
Starter
38 models
$5 USD / month
RPM15
RPH300
  • 3,000 requests/month
  • 300,000 tokens/month
  • Max 500 tokens/request
  • Streaming: enabled
llama-8b-instant allam-2-7b gpt4-nano qwen3-32b llama-70b llama-scout-17b +32 more
Pro
41 models
$15 USD / month
RPM50
RPH1500
  • 75,000 requests/month
  • 7,500,000 tokens/month
  • Max 1500 tokens/request
  • Streaming: enabled
llama-8b-instant allam-2-7b gpt4-nano qwen3-32b llama-70b llama-scout-17b +35 more
Plus
41 models
$39 USD / month
RPM150
RPH5000
  • 500,000 requests/month
  • 50,000,000 tokens/month
  • Max 3000 tokens/request
  • Streaming: enabled
llama-8b-instant allam-2-7b gpt4-nano qwen3-32b llama-70b llama-scout-17b +35 more

Model catalog by plan

Free plan

Key Name Language Speed Size
llama-8b-instant Llama 3.1 8B Instant Multilingual Very Fast 8B
allam-2-7b Allam 2 7B Turkish/Arabic Fast 7B
step-3.5-flash Step 3.5 Flash Multilingual Very Fast Unknown
nemotron-3-super-120b-a12b Nemotron 3 Super 120B A12B Multilingual Fast 120B
glm-46 GLM-4.6 Multilingual Fast Unknown
deepseek-v4-flash-free DeepSeek V4 Flash Free Multilingual Very Fast Unknown
mimo-v2.5-free Mimo V2.5 Multilingual Fast Unknown
north-mini-code-free North Mini Code Multilingual Fast Unknown
nemotron-3-ultra-free Nemotron 3 Ultra Multilingual Fast Unknown
deepseek-v4-pro DeepSeek V4 Pro Multilingual Fast Unknown
gemini-3.1-flash-lite Gemini 3.1 Flash Lite Multilingual Very Fast Unknown
gemini-3-flash-preview Gemini 3 Flash Preview Multilingual Fast Unknown
gpt-5.4-mini GPT-5.4 Mini Multilingual Fast Unknown
minimax-m3 MiniMax M3 Multilingual Fast Unknown
qwen3.7-plus Qwen 3.7 Plus Multilingual Fast 235B
step-3.7-flash Step 3.7 Flash Multilingual Very Fast Unknown
hy3-preview HY3 Preview Multilingual Fast 16B
deepseek-v4-flash DeepSeek V4 Flash Multilingual Fast Unknown
claude-sonnet-4-6 Claude Sonnet 4.6 Multilingual Fast Unknown
claude-haiku-4-5 Claude Haiku 4.5 Multilingual Very Fast Unknown
claude-sonnet-4-5 Claude Sonnet 4.5 Multilingual Fast Unknown
claude-sonnet-4 Claude Sonnet 4 Multilingual Fast Unknown

Starter plan

Key Name Language Speed Size
llama-8b-instant Llama 3.1 8B Multilingual Very Fast 8B
allam-2-7b Allam 2 7B TR/AR Fast 7B
gpt4-nano GPT-4.1 Nano Multilingual Very Fast Nano
qwen3-32b Qwen3 32B Turkish Fast 32B
llama-70b Llama 3.3 70B Multilingual Fast 70B
llama-scout-17b Llama Scout Multilingual Very Fast 17B
llama-pg2-86m Llama Prompt Guard 2 86M Multilingual Very Fast 86M
gpt-oss-20b GPT OSS 20B Multilingual Fast 20B
glm-4.5-air GLM 4.5 Air Multilingual Fast Unknown
qwen3-coder Qwen3 Coder Multilingual Fast Unknown
lfm-2.5-1.2b-thinking LFM 2.5 1.2B Thinking Multilingual Very Fast 1.2B
glm-46 GLM-4.6 Multilingual Fast Unknown
deepseek-v4-flash-free DeepSeek V4 Flash Free Multilingual Very Fast Unknown
mimo-v2.5-free Mimo V2.5 Multilingual Fast Unknown
north-mini-code-free North Mini Code Multilingual Fast Unknown
nemotron-3-ultra-free Nemotron 3 Ultra Multilingual Fast Unknown
deepseek-v4-pro DeepSeek V4 Pro Multilingual Fast Unknown
gemini-3.1-flash-lite Gemini 3.1 Flash Lite Multilingual Very Fast Unknown
gemini-3-flash-preview Gemini 3 Flash Preview Multilingual Fast Unknown
gpt-5.4-mini GPT-5.4 Mini Multilingual Fast Unknown
minimax-m3 MiniMax M3 Multilingual Fast Unknown
qwen3.7-plus Qwen 3.7 Plus Multilingual Fast 235B
step-3.7-flash Step 3.7 Flash Multilingual Very Fast Unknown
hy3-preview HY3 Preview Multilingual Fast 16B
deepseek-v4-flash DeepSeek V4 Flash Multilingual Fast Unknown
claude-sonnet-4-6 Claude Sonnet 4.6 Multilingual Fast Unknown
claude-haiku-4-5 Claude Haiku 4.5 Multilingual Very Fast Unknown
claude-sonnet-4-5 Claude Sonnet 4.5 Multilingual Fast Unknown
claude-sonnet-4 Claude Sonnet 4 Multilingual Fast Unknown
claude-fable-5 Claude Fable 5 Multilingual Fast Unknown
claude-opus-4-8 Claude Opus 4.8 Multilingual Fast Unknown
claude-opus-4-7 Claude Opus 4.7 Multilingual Fast Unknown
claude-opus-4-5 Claude Opus 4.5 Multilingual Fast Unknown
claude-opus-4-1 Claude Opus 4.1 Multilingual Fast Unknown
claude-opus-4 Claude Opus 4 Multilingual Fast Unknown
claude-opus-4-8-fast Claude Opus 4.8 Fast Multilingual Very Fast Unknown
claude-opus-4-7-fast Claude Opus 4.7 Fast Multilingual Very Fast Unknown
claude-opus-4-6-fast Claude Opus 4.6 Fast Multilingual Very Fast Unknown

Pro plan

Key Name Language Speed Size
llama-8b-instant Llama 3.1 8B Multilingual Very Fast 8B
allam-2-7b Allam 2 7B TR/AR Fast 7B
gpt4-nano GPT-4.1 Nano Multilingual Very Fast Nano
qwen3-32b Qwen3 32B Turkish Fast 32B
llama-70b Llama 3.3 70B Multilingual Fast 70B
llama-scout-17b Llama Scout Multilingual Very Fast 17B
llama-pg2-86m Llama Prompt Guard 2 86M Multilingual Very Fast 86M
gpt-oss-20b GPT OSS 20B Multilingual Fast 20B
gpt-oss-120b GPT OSS 120B Multilingual Fast 120B
step-3.5-flash Step 3.5 Flash Multilingual Very Fast Unknown
nemotron-3-super-120b-a12b Nemotron 3 Super 120B A12B Multilingual Fast 120B
glm-4.5-air GLM 4.5 Air Multilingual Fast Unknown
qwen3-coder Qwen3 Coder Multilingual Fast Unknown
lfm-2.5-1.2b-thinking LFM 2.5 1.2B Thinking Multilingual Very Fast 1.2B
glm-46 GLM-4.6 Multilingual Fast Unknown
deepseek-v4-flash-free DeepSeek V4 Flash Free Multilingual Very Fast Unknown
mimo-v2.5-free Mimo V2.5 Multilingual Fast Unknown
north-mini-code-free North Mini Code Multilingual Fast Unknown
nemotron-3-ultra-free Nemotron 3 Ultra Multilingual Fast Unknown
deepseek-v4-pro DeepSeek V4 Pro Multilingual Fast Unknown
gemini-3.1-flash-lite Gemini 3.1 Flash Lite Multilingual Very Fast Unknown
gemini-3-flash-preview Gemini 3 Flash Preview Multilingual Fast Unknown
gpt-5.4-mini GPT-5.4 Mini Multilingual Fast Unknown
minimax-m3 MiniMax M3 Multilingual Fast Unknown
qwen3.7-plus Qwen 3.7 Plus Multilingual Fast 235B
step-3.7-flash Step 3.7 Flash Multilingual Very Fast Unknown
hy3-preview HY3 Preview Multilingual Fast 16B
deepseek-v4-flash DeepSeek V4 Flash Multilingual Fast Unknown
claude-sonnet-4-6 Claude Sonnet 4.6 Multilingual Fast Unknown
claude-haiku-4-5 Claude Haiku 4.5 Multilingual Very Fast Unknown
claude-sonnet-4-5 Claude Sonnet 4.5 Multilingual Fast Unknown
claude-sonnet-4 Claude Sonnet 4 Multilingual Fast Unknown
claude-fable-5 Claude Fable 5 Multilingual Fast Unknown
claude-opus-4-8 Claude Opus 4.8 Multilingual Fast Unknown
claude-opus-4-7 Claude Opus 4.7 Multilingual Fast Unknown
claude-opus-4-5 Claude Opus 4.5 Multilingual Fast Unknown
claude-opus-4-1 Claude Opus 4.1 Multilingual Fast Unknown
claude-opus-4 Claude Opus 4 Multilingual Fast Unknown
claude-opus-4-8-fast Claude Opus 4.8 Fast Multilingual Very Fast Unknown
claude-opus-4-7-fast Claude Opus 4.7 Fast Multilingual Very Fast Unknown
claude-opus-4-6-fast Claude Opus 4.6 Fast Multilingual Very Fast Unknown

Plus plan

Key Name Language Speed Size
llama-8b-instant Llama 3.1 8B Multilingual Very Fast 8B
allam-2-7b Allam 2 7B TR/AR Fast 7B
gpt4-nano GPT-4.1 Nano Multilingual Very Fast Nano
qwen3-32b Qwen3 32B Turkish Fast 32B
llama-70b Llama 3.3 70B Multilingual Fast 70B
llama-scout-17b Llama Scout Multilingual Very Fast 17B
llama-pg2-86m Llama Prompt Guard 2 86M Multilingual Very Fast 86M
gpt-oss-20b GPT OSS 20B Multilingual Fast 20B
gpt-oss-120b GPT OSS 120B Multilingual Fast 120B
step-3.5-flash Step 3.5 Flash Multilingual Very Fast Unknown
nemotron-3-super-120b-a12b Nemotron 3 Super 120B A12B Multilingual Fast 120B
glm-4.5-air GLM 4.5 Air Multilingual Fast Unknown
qwen3-coder Qwen3 Coder Multilingual Fast Unknown
lfm-2.5-1.2b-thinking LFM 2.5 1.2B Thinking Multilingual Very Fast 1.2B
glm-46 GLM-4.6 Multilingual Fast Unknown
deepseek-v4-flash-free DeepSeek V4 Flash Free Multilingual Very Fast Unknown
mimo-v2.5-free Mimo V2.5 Multilingual Fast Unknown
north-mini-code-free North Mini Code Multilingual Fast Unknown
nemotron-3-ultra-free Nemotron 3 Ultra Multilingual Fast Unknown
deepseek-v4-pro DeepSeek V4 Pro Multilingual Fast Unknown
gemini-3.1-flash-lite Gemini 3.1 Flash Lite Multilingual Very Fast Unknown
gemini-3-flash-preview Gemini 3 Flash Preview Multilingual Fast Unknown
gpt-5.4-mini GPT-5.4 Mini Multilingual Fast Unknown
minimax-m3 MiniMax M3 Multilingual Fast Unknown
qwen3.7-plus Qwen 3.7 Plus Multilingual Fast 235B
step-3.7-flash Step 3.7 Flash Multilingual Very Fast Unknown
hy3-preview HY3 Preview Multilingual Fast 16B
deepseek-v4-flash DeepSeek V4 Flash Multilingual Fast Unknown
claude-sonnet-4-6 Claude Sonnet 4.6 Multilingual Fast Unknown
claude-haiku-4-5 Claude Haiku 4.5 Multilingual Very Fast Unknown
claude-sonnet-4-5 Claude Sonnet 4.5 Multilingual Fast Unknown
claude-sonnet-4 Claude Sonnet 4 Multilingual Fast Unknown
claude-fable-5 Claude Fable 5 Multilingual Fast Unknown
claude-opus-4-8 Claude Opus 4.8 Multilingual Fast Unknown
claude-opus-4-7 Claude Opus 4.7 Multilingual Fast Unknown
claude-opus-4-5 Claude Opus 4.5 Multilingual Fast Unknown
claude-opus-4-1 Claude Opus 4.1 Multilingual Fast Unknown
claude-opus-4 Claude Opus 4 Multilingual Fast Unknown
claude-opus-4-8-fast Claude Opus 4.8 Fast Multilingual Very Fast Unknown
claude-opus-4-7-fast Claude Opus 4.7 Fast Multilingual Very Fast Unknown
claude-opus-4-6-fast Claude Opus 4.6 Fast Multilingual Very Fast Unknown

Quick comparison

Plan Price Rate limits Monthly requests Monthly tokens Model count Max tokens/request
Free $0 USD 3 / 60 200 20,000 22 100
Starter $5 USD 15 / 300 3,000 300,000 38 500
Pro $15 USD 50 / 1500 75,000 7,500,000 41 1500
Plus $39 USD 150 / 5000 500,000 50,000,000 41 3000

Popular use cases

Coding copilot

Route coding tasks to Claude Opus/Sonnet or GPT OSS tiers when needed.

Support assistant

Low-latency Claude Haiku streaming answers with plan-safe limits.

Multilingual chat

Claude, Turkish-focused and multilingual models under one API key.

Content production

Scale article generation with Claude Fable and Opus + usage analytics.

Reasoning workflows

Assign heavier prompts to Claude Opus, DeepSeek, and Nemotron models.

Backoffice automation

Backoffice bots for summaries, tagging, and classification tasks.

FAQ

Is Claude API really free?

Yes. Claude Sonnet 4.6, Sonnet 4.5, Haiku 4.5, and Sonnet 4 are available on the Free plan with full streaming support.

How many Claude models can I use?

Free plan includes 4 Claude models. Starter unlocks all 13 including Opus, Fable, and 2.5x Fast variants.

Can I select model manually?

Yes. Send the model parameter in chat requests if that model is available in your current plan.

Is streaming supported?

Yes. Streaming support is enabled for all plans including free tier and all Claude models.

How do I increase limits?

Upgrade plan from dashboard workflow to increase RPM, monthly requests, and token budget.

How fast is Claude via Sixfinger?

Claude routes achieve ~1,100 char/s — 10-20x faster than direct Claude API endpoints.

Release Feed

13 Claude models now liveClaude Sonnet, Haiku, Opus, Fable — free on all plans. 2.5x Fast variants on Starter+.
Playground 2.0 is liveSplit-pane prompt lab, streaming telemetry, template cards.
Command Palette addedUse Cmd/Ctrl+K for instant navigation.
Theme profilesToggle light/dark and high-contrast profile for long sessions.

Start free, scale when needed

Create your account, generate your API key, and start with free plan. Upgrade only when your product needs more throughput and larger model coverage.

Create Account Open Documentation
Create account Login Open dashboard Open playground Read docs Open advisor See plans