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Marketplace/Model library
OrnithReleased Aug 18, 2026

Ornith 1.5 35B A3B

ornith-ai/ornith-1.5-35b-a3bHugging FaceChatVisionlong-contextmoereasoningtoolsChirp Chirp! 🐦 We are introducing Ornith-1.5, a major step toward building foundation models through end-to-end self-improvement.

Input
$0.031
USD per 1M tokens
Output
$0.2697
USD per 1M tokens
Context
1M
Its one endpoint
Max output
66K
Longest reply allowed
Modality
Text + Image + Video → Text

Providers

Live endpoints, cheapest first. First token is the median wait for a streamed reply; throughput covers the last day and uptime the last 24 hours.

  • ImpCCHealthy
    nvfp469% offCA
    Input
    $0.031
    Output
    $0.2697
    Context
    1M66K out
    First token
    782mslast 30 min
    Throughput
    45 tok/s
    Uptime 24h
    99.2%
ProviderContextInputOutputFirst tokenThroughputUptime 24h
ImpCCHealthynvfp469% offCanada1M66K max out$0.031$0.2697782mslast 30 min45 tok/s99.2%

Capabilities and data

What each endpoint declares about tools, reasoning and prompt data, beside the marketplace’s own checks. The key below says what each badge means.

  • ImpCCnvfp4Tools VerifiedReasoning Effort levelsData Zero retention
Verified
a current check called an offered tool with valid arguments
Effort levels
effort levels are declared, and none is failing checks
Zero retention
prompts are neither stored nor trained on; the claim passed marketplace review

Pricing

USD per million tokens.

ProviderInputOutputCache readCache hitEffective input
ImpCCnvfp469% off$0.031$0.2697$0.0077594.8%$0.008969

Price history

Input price · USD per million tokens

Output price · USD per million tokens

Performance

Timing percentiles cover the labelled window: the last 30 minutes when it has enough samples, otherwise the last day. TTFT is the seconds to the first token, measured only on streamed requests; response is the seconds from request to last byte, measured on every request, streamed or not. Throughput is output tokens per second over the last day, counted only over streamed generations long enough to have a rate — a buffered answer has no generation phase, and a two-token one times the scheduler rather than the model. Tool calls is the share of the last day of tool requests this endpoint answered with a tool call, published once the day holds twenty of them; under that the cell is blank rather than a rate nothing measured.

ProviderTTFT p50p75p90p99Response p50p75p90p99Throughput p50p75p90p99Tool calls 1dRunaways 1dEmpty 1dCapacity
ImpCCnvfp4782mslast 30 min1.04s1.70s2.65s6.00slast 30 min13.7s1m 56s9m 1s45 tok/s55 tok/s69 tok/s151 tok/s—0.1%0.0%4/8 free

Time to first token by hour · last 7 days

Hourly median per provider. The line spans hours with no streamed traffic; where samples are sparse, a dot marks each hour actually timed.

Throughput by hour · last 7 days

Hourly median output tokens per second per provider, over generations long enough to have a rate. The line spans hours with no answer long enough to measure; where samples are sparse, a dot marks each hour actually measured.

Benchmarks

Scores from the benchmark board. Each figure comes from the endpoint with the most evidence for that suite, and a provisional one names how much of its suite it covers.

BenchmarkScore
GPQA DiamondAccuracy75.6%complete run
Reasoning GymAccuracy37%complete run
IFBenchPrompt-level loose accuracy47.5%complete run
AIME 2025Accuracy78.3%complete run
HMMT February 2026Accuracy60.6%complete run
BFCL v4Overall accuracy82.8%complete run
JSONSchemaBenchCompliance83.2%complete run
MRCR ≤32KMatch ratio93.6%complete run
MRCR 32K–128KMatch ratio93.7%complete run
MMLU-ProX LiteAccuracy76.7%complete run
ClaudeCoding agent · solved within 5 attempts28%provisional · 59.5% tested28.0% first try · 1.0 attempts per task · harness version 2.1.322
CodexCoding agent · solved within 5 attempts71%provisional · 73.8% tested71.0% first try · 1.0 attempts per task · harness version 0.166.0 to 0.167.0
DeepSeek HarnessCoding agent · solved within 5 attempts67.7%provisional · 73.8% tested67.7% first try · 1.0 attempts per task · harness version 0.2.1-rc.5 to 0.2.2-rc.1
EmpryoCoding agent · solved within 5 attempts80.6%provisional · 73.8% tested80.6% first try · 1.0 attempts per task · harness version 3.6.5
HermesCoding agent · solved within 5 attempts83.9%provisional · 73.8% tested83.9% first try · 1.0 attempts per task · harness version 2026.9.24
Oh My PiCoding agent · solved within 5 attempts28%provisional · 59.5% tested28.0% first try · 1.0 attempts per task · harness version 18.18.6 to 18.19.0
OpenCodeCoding agent · solved within 5 attempts80.6%provisional · 73.8% tested80.6% first try · 1.0 attempts per task · harness version 1.19.5
SleipnirCoding agent · solved within 5 attempts25%provisional · 57.1% tested25.0% first try · 1.0 attempts per task · harness version 0.4.70 to 0.4.71
ZCodeCoding agent · solved within 5 attempts83.3%provisional · 71.4% tested83.3% first try · 1.0 attempts per task · harness version 0.16.5

Uptime

Share of successful requests and probes over the last day and week. Reliability is the share of the requests a provider accepted that it answered; turned away is the share it refused with its own 429 because it was full, which uptime counts as failures.

  • ImpCCnvfp4
    1d 99.2%7d 98.6%reliability 1d 99.2%7d 98.6%turned away 1d 0.0%7d 0.0%Healthy

Availability by hour · last 7 days

Share of successful requests and probes per hour and provider. The line spans hours with nothing to measure; where samples are sparse, a dot marks each hour actually measured.

Activity

Prompt tokens and completion tokens per UTC day over the last 30 days. Every billed request counts, the platform's own paid probe traffic included.

Prompt tokens2.3Blast 30 days
Completion tokens63.0Mlast 30 days
Quickstart
curl https://api-staging.heimdallm.com/api/v1/chat/completions \  -H "Authorization: Bearer $HEIMDALL_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "ornith-ai/ornith-1.5-35b-a3b",    "messages": [{ "role": "user", "content": "Hello" }]  }'

Set HEIMDALL_API_KEY to a key from your account. See the quickstart for routing suffixes and provider preferences.

About

Chirp Chirp! 🐦 We are introducing Ornith-1.5, a major step toward building foundation models through end-to-end self-improvement.

Author
Ornith
Family
ornith-ai/ornith-1.5-35b-a3b
Request parameters
frequency_penalty (-2–2), max_completion_tokens (1–65536), max_tokens (1–65536), presence_penalty (-2–2), reasoning_effort (none, medium), repetition_penalty (>0, ≤2), response_format (any value), seed (integer), stop (text or list), structured_outputs (true/false), temperature (0–2), tool_choice (any value), tools (list), top_k (1–200), top_p (>0, ≤1)
Licence
mit
Size
19.5B parameters, U8 weights
Tokenizer
—
Available until
—

From the model card

What the repository states about these weights, read from ornith-ai/Ornith-1.5-35B-A3B-NVFP4 on Nov 10, 2026.

Languages
—
Papers
—
Datasets
—
Revision
94e431dAug 26, 2026
Downloads
1.1M
Likes
72
DiscoverFind your next modelModel libraryAll models, versions, prices and capabilitiesBenchmarksMeasured quality, cost and time by serving configurationModel requestsAsk for a model, and vote on what is listed nextShowcaseImages, video and 3D made on the marketplaceProvidersCompare independent inference providersActivityMarketplace traffic and usageNetwork statusAvailability, latency and endpoint healthChatConversations, model settings and filesImage, video & 3DGenerate images, video and 3D assetsScene studioStage a shot in 3D, direct it and render it as a videoCoding playgroundBuild software with an AI agent on a machine of your ownOverview & routingIdentity, workspaces and routing preferencesBalance & depositsBalance, deposits, ledger and reserved fundsAPI keysKeys scoped to workspaces, limits and expirationOrganizationsTeams, members and shared workspacesRequest historyRequests, receipts, sandbox sessions and account historyReferralsInvitations and referral earningsPrivacyData settings, exports and deletionDocumentationQuickstart, SDKs, pricing and guidesAPI referenceInteractive endpoint referenceList your modelsProvider guide: requirements, the fee, payouts and what is measuredProvider payoutsMonthly statements, the marketplace fee and payout walletsProvider dashboardApply as a provider, add sources and track earnings