# Braintrust

Trial credits · API key · code · Last updated: 12 Nov 2026

13 free models on Braintrust including deepseek-v4.1-flash, deepseek-v4-flash-0731, and glm-5.3-flash. API endpoint (https://api.braintrust.dev/v1/proxy), up to 256K context, no credit card required. Last updated: 12 Nov 2026.

Braintrust offers $10/month recurring model credit on Starter across 13 built-in models (including GPT-6 series, DeepSeek V4.1, GLM-5.3, and Jev). Work email required, no credit card required. Model credit resets monthly with no rollover.

Source: https://docs.braintrust.dev/plans-and-limits#model-credits · Last updated: 12 Nov 2026

| Model | Cost | Context | RPM | TPM | RPD | Day tokens | Verified |
| --- | --- | --- | --- | --- | --- | --- | --- |
| deepseek-v4.1-flash | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| deepseek-v4-flash-0731 | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| glm-5.3-flash | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| glm-5.2 | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| kimi-k3 | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| jev | $0 ($10/mo model credits) | 256K | Not published | Not published | Not published | Not published | 2026-11-12 |
| gpt-6-luna | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| gpt-6-sol | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| gpt-6.1-sol | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| gpt-6-astra | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| gpt-5.6-luna | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| gpt-5.6-terra | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |
| gpt-5.6-sol | $0 ($10/mo model credits) | 128K | Not published | Not published | Not published | Not published | 2026-11-12 |

Machine-readable: /data/braintrust.json

Numbers cross-checked against official docs and third-party trackers as of 2026-11-12. Limits change without notice — this is a map, not a contract.