Ling 3.1 Flash
ling-3.1-flash
Fast everyday model with a 262K-token context. The Harness default.
Unlimited
- IN / 1M
- Free
- OUT / 1M
- Free
- LIMIT
- None
Models
Every model in the Harness
Unlimited models cost nothing, ever. The rest come out of your $50 weekly credit at the prices below, per million tokens. Switch any time, even mid-task.
Default
Muse Spark 1.3
muse-spark-1.3
Meta's Muse model, tuned for coding and agent work.
Unlimited
- IN / 1M
- Free
- OUT / 1M
- Free
- LIMIT
- None
GLM 5.3 Flash
glm-5.3-flash
Quick GLM model for small edits and questions.
Unlimited
- IN / 1M
- Free
- OUT / 1M
- Free
- LIMIT
- None
Opus 5.5
opus-5.5
Anthropic's most capable Opus model, for hard and long tasks.
$50/week credit
- IN / 1M
- $4
- OUT / 1M
- $20
- $50 BUYS
- 2.5M out
Sonnet 5.5
sonnet-5.5
Anthropic's balanced model for everyday coding.
$50/week credit
- IN / 1M
- $2
- OUT / 1M
- $10
- $50 BUYS
- 5M out
Haiku 5.5
haiku-5.5
Anthropic's fastest, lowest-cost model.
$50/week credit
- IN / 1M
- $0.10
- OUT / 1M
- $0.50
- $50 BUYS
- 100M out
GPT 6 Astra
gpt-6-astra
OpenAI's top-capability tier.
$50/week credit
- IN / 1M
- $10
- OUT / 1M
- $50
- $50 BUYS
- 1M out
GPT 6.1 Sol
gpt-6.1-sol
OpenAI's everyday reasoning tier.
$50/week credit
- IN / 1M
- $2
- OUT / 1M
- $10
- $50 BUYS
- 5M out
GPT 6 Luna
gpt-6-luna
OpenAI's high-volume tier: fast and inexpensive.
$50/week credit
- IN / 1M
- $0.10
- OUT / 1M
- $0.50
- $50 BUYS
- 100M out
Kimi K3
kimi-k3
Moonshot AI's latest Kimi model.
$50/week credit
- IN / 1M
- $3
- OUT / 1M
- $15
- $50 BUYS
- 3.3M out
DeepSeek V4.1 Flash
deepseek-v4.1-flash
DeepSeek's fast model at a very low price.
$50/week credit
- IN / 1M
- $0.28
- OUT / 1M
- $1.10
- $50 BUYS
- 45M out
Qwen 3.8 Max
qwen-3.8-max
Alibaba's largest Qwen model.
$50/week credit
- IN / 1M
- $2
- OUT / 1M
- $6
- $50 BUYS
- 8.3M out
Mistral Large 4
mistral-large-4
Mistral's flagship model, with a 1M-token context.
$50/week credit
- IN / 1M
- $1.36
- OUT / 1M
- $4.18
- $50 BUYS
- 12M out
Compare prices
The last column shows how many output tokens a full week's credit buys on each model. Input tokens (your code and messages) cost less on every model.
| Model | Model id | Credit | Input / 1M | Output / 1M | $50 buys |
|---|---|---|---|---|---|
| Ling 3.1 FlashinclusionAI | ling-3.1-flash | Unlimited | Free | Free | No limit |
| Muse Spark 1.3Meta | muse-spark-1.3 | Unlimited | Free | Free | No limit |
| GLM 5.3 FlashZ.ai | glm-5.3-flash | Unlimited | Free | Free | No limit |
| Opus 5.5Anthropic | opus-5.5 | $50/week credit | $4 | $20 | 2.5M tokens |
| Sonnet 5.5Anthropic | sonnet-5.5 | $50/week credit | $2 | $10 | 5M tokens |
| Haiku 5.5Anthropic | haiku-5.5 | $50/week credit | $0.10 | $0.50 | 100M tokens |
| GPT 6 AstraOpenAI | gpt-6-astra | $50/week credit | $10 | $50 | 1M tokens |
| GPT 6.1 SolOpenAI | gpt-6.1-sol | $50/week credit | $2 | $10 | 5M tokens |
| GPT 6 LunaOpenAI | gpt-6-luna | $50/week credit | $0.10 | $0.50 | 100M tokens |
| Kimi K3Moonshot AI | kimi-k3 | $50/week credit | $3 | $15 | 3.3M tokens |
| DeepSeek V4.1 FlashDeepSeek | deepseek-v4.1-flash | $50/week credit | $0.28 | $1.10 | 45M tokens |
| Qwen 3.8 MaxAlibaba Qwen | qwen-3.8-max | $50/week credit | $2 | $6 | 8.3M tokens |
| Mistral Large 4Mistral AI | mistral-large-4 | $50/week credit | $1.36 | $4.18 | 12M tokens |